# What is CVE-2018-16946? > CVE-2018-16946 is a high-severity flaw (CVSS 7.5) in Lnb5110 Firmware from Lg, published on 12 September 2018. It is not on the list of flaws known to be exploited today. The latest forecast puts its chance of use in the next 30 days at 9.3%. If you run an affected version, plan in the vendor’s fix. Canonical page: https://www.precursorintelligence.com/what-is/cve-2018-16946 ## At a glance - **Verdict:** Plan it in. No sign of exploitation and a low forecast. Patch it in your normal update cycle. - **Precursor Intelligence risk score:** 52 out of 100 (Medium); action: Plan remediation. Kept up to date as the evidence changes. - **Severity:** High (CVSS 7.5 out of 10) - **Known to be exploited:** No, not on the list of flaws known to be exploited today - **Chance of use in the next 30 days:** 9.3% (latest exploit-likelihood forecast) - **Published:** 12 September 2018 - **Record last updated:** 3 October 2019 - **Main product:** Lnb5110 Firmware from Lg - **Affected products:** 36 ## What is CVE-2018-16946? In plain terms It can be attacked from anywhere on the internet without logging in, and nobody has to click anything. If it works, the attacker can read data. ### The official description LG LNB*, LND*, LNU*, and LNV* smart network camera devices have broken access control. Attackers are able to download /updownload/t.report (aka Log & Report) files and download backup files (via download.php) without authenticating. These backup files contain user credentials and configuration information for the camera device. An attacker is able to discover the backup filename via reading the system logs or report data, or just by brute-forcing the backup filename pattern. It may be possible to authenticate to the admin account with the admin password. ### What kind of flaw is it? - CWE-552: Files or Directories Accessible to External Parties ### How an attack on it works - Where an attacker can be: Anywhere on the internet - How hard it is to pull off: Easy: no special conditions - Login needed first: No login needed - Does someone have to click: No, nobody has to do anything - What an attacker gets: Can read data Severity vector: `CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N` ## Is CVE-2018-16946 being exploited? Not that we know of It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 9.3%. That can change at any time, which is why we keep watching. Exploit likelihood over the last 7 days: 9.3%, 9.3%, 9.3%, 9.3%, 9.3%, 9.3%, 9.3%. ### Timeline - 12 September 2018: Published - 3 October 2019: Record last updated - 19 November 2025: Exploit likelihood jumped - 22 November 2025: Exploit likelihood fell ### How Precursor Intelligence ranks it CVE-2018-16946 scores **52 out of 100 (Medium)**, with the action "Plan remediation". Every published flaw gets a risk score from 0 to 100, kept up to date as the evidence changes. Four things go into the score, from the one that counts most to the ones that count less: - Evidence it is being exploited: biggest factor - How severe it is: strong factor - How widely exposed it is: smaller factor - Threat activity around it: smaller factor 85 and above is Critical. Anything confirmed as exploited is always marked for an emergency patch, whatever its score. When this flaw matches software you track, it lands in your list with its score and the reasons behind it. ## Who is affected by CVE-2018-16946? The published record lists 36 products. - [Lnb5110 Firmware](https://www.precursorintelligence.com/product/lg/lnb5110_firmware) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Operating system): 1310250 to 1508190 - [Lnb5110](https://www.precursorintelligence.com/product/lg/lnb5110) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Hardware): version not specified - [Lnb5320](https://www.precursorintelligence.com/product/lg/lnb5320) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Hardware): version not specified - [Lnb5320 Firmware](https://www.precursorintelligence.com/product/lg/lnb5320_firmware) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Operating system): 1310250 to 1508190 - [Lnb5320r](https://www.precursorintelligence.com/product/lg/lnb5320r) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Hardware): version not specified - [Lnb5320r Firmware](https://www.precursorintelligence.com/product/lg/lnb5320r_firmware) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Operating system): 1310250 to 1508190 - [Lnb7210](https://www.precursorintelligence.com/product/lg/lnb7210) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Hardware): version not specified - [Lnb7210 Firmware](https://www.precursorintelligence.com/product/lg/lnb7210_firmware) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Operating system): 1310250 to 1508190 - [Lnd3230r](https://www.precursorintelligence.com/product/lg/lnd3230r) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Hardware): version not specified - [Lnd3230r Firmware](https://www.precursorintelligence.com/product/lg/lnd3230r_firmware) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Operating system): 1310250 to 1508190 - [Lnd5110](https://www.precursorintelligence.com/product/lg/lnd5110) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Hardware): version not specified - [Lnd5110 Firmware](https://www.precursorintelligence.com/product/lg/lnd5110_firmware) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Operating system): 1310250 to 1508190 - [Lnd5110r](https://www.precursorintelligence.com/product/lg/lnd5110r) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Hardware): version not specified - [Lnd5110r Firmware](https://www.precursorintelligence.com/product/lg/lnd5110r_firmware) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Operating system): 1310250 to 1508190 - [Lnd5220r](https://www.precursorintelligence.com/product/lg/lnd5220r) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Hardware): version not specified - [Lnd5220r Firmware](https://www.precursorintelligence.com/product/lg/lnd5220r_firmware) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Operating system): 1310250 to 1508190 - [Lnd7210](https://www.precursorintelligence.com/product/lg/lnd7210) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Hardware): version not specified - [Lnd7210 Firmware](https://www.precursorintelligence.com/product/lg/lnd7210_firmware) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Operating system): 1310250 to 1508190 - [Lnd7210r](https://www.precursorintelligence.com/product/lg/lnd7210r) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Hardware): version not specified - [Lnd7210r Firmware](https://www.precursorintelligence.com/product/lg/lnd7210r_firmware) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Operating system): 1310250 to 1508190 - [Lnu3230r](https://www.precursorintelligence.com/product/lg/lnu3230r) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Hardware): version not specified - [Lnu3230r Firmware](https://www.precursorintelligence.com/product/lg/lnu3230r_firmware) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Operating system): 1310250 to 1508190 - [Lnu5110r](https://www.precursorintelligence.com/product/lg/lnu5110r) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Hardware): version not specified - [Lnu5110r Firmware](https://www.precursorintelligence.com/product/lg/lnu5110r_firmware) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Operating system): 1310250 to 1508190 - [Lnu5320r](https://www.precursorintelligence.com/product/lg/lnu5320r) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Hardware): version not specified - [Lnu5320r Firmware](https://www.precursorintelligence.com/product/lg/lnu5320r_firmware) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Operating system): 1310250 to 1508190 - [Lnu7210r](https://www.precursorintelligence.com/product/lg/lnu7210r) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Hardware): version not specified - [Lnu7210r Firmware](https://www.precursorintelligence.com/product/lg/lnu7210r_firmware) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Operating system): 1310250 to 1508190 - [Lnv5110r](https://www.precursorintelligence.com/product/lg/lnv5110r) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Hardware): version not specified - [Lnv5110r Firmware](https://www.precursorintelligence.com/product/lg/lnv5110r_firmware) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Operating system): 1310250 to 1508190 - [Lnv5320r](https://www.precursorintelligence.com/product/lg/lnv5320r) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Hardware): version not specified - [Lnv5320r Firmware](https://www.precursorintelligence.com/product/lg/lnv5320r_firmware) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Operating system): 1310250 to 1508190 - [Lnv7210](https://www.precursorintelligence.com/product/lg/lnv7210) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Hardware): version not specified - [Lnv7210 Firmware](https://www.precursorintelligence.com/product/lg/lnv7210_firmware) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Operating system): 1310250 to 1508190 - [Lnv7210r](https://www.precursorintelligence.com/product/lg/lnv7210r) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Hardware): version not specified - [Lnv7210r Firmware](https://www.precursorintelligence.com/product/lg/lnv7210r_firmware) by [Lg](https://www.precursorintelligence.com/vendors/lg) (Operating system): 1310250 to 1508190 ## How do I fix CVE-2018-16946? 1. **Check whether you run it.** Compare your versions with the affected products above. Not sure what you run? Precursor Intelligence can work it out from your public website, or you can pick it from a list. 2. **Apply the vendor’s fix.** Install the latest update from the vendor. The references list where the vendor has published details. 3. **If you can’t patch today.** Follow any mitigation the vendor publishes, and limit who can reach the affected system from the internet until the update is in. 4. **Keep an eye on it.** Track the product and we tell you as soon as we spot this flaw on the list of exploited flaws, or a jump in its exploit likelihood. ### References - [github.com](https://github.com/EgeBalci/LG-Smart-IP-Device-Backup-Download) (Exploit, Third-party advisory) - [exploit-db.com](https://www.exploit-db.com/exploits/45394/) (Exploit, Third-party advisory, Vulnerability database) ## Questions ### What is CVE-2018-16946? CVE-2018-16946 is a high-severity flaw in Lnb5110 Firmware from Lg, published on 12 September 2018. It can be attacked from anywhere on the internet without logging in, and nobody has to click anything. If it works, the attacker can read data. ### How serious is CVE-2018-16946? It scores 7.5 out of 10 on the CVSS severity scale, which is high. Our risk score for CVE-2018-16946 is 52 out of 100, which is Medium. Its action is "Plan remediation". No sign of exploitation and a low forecast. Patch it in your normal update cycle. ### Is CVE-2018-16946 being exploited? It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 9.3%. That can change at any time, which is why we keep watching. ### Which versions does CVE-2018-16946 affect? For Lnb5110 Firmware from Lg: 1310250 to 1508190. The record lists 36 products in all, each with its versions, under "Who is affected" on this page. ### How do I fix CVE-2018-16946? Install the update the vendor names in its advisory. If you can't patch today, follow the vendor's mitigation and limit who can reach the affected system from the internet. ## Does CVE-2018-16946 affect you? Precursor Intelligence keeps checking for you: - **Tell us what you run.** Pick your software from a list, or let us work it out from your website. - **We match it to every flaw.** Over 400,000 published flaws, checked against your list. - **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it. - **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools. Start free (no card, nothing to install): https://www.precursorintelligence.com/register Book a demo: https://www.precursorintelligence.com/contact