Nas542 Firmware vulnerabilitiesAnd the versions its exploited flaws hit.
Nas542 Firmware is made by Zyxel. We track 18 published vulnerabilities in it, across 8 versions. 2 of them are on the list of flaws known to be exploited, the newest added on 23 June 2023. If you run Nas542 Firmware, check your version against the exploited flaws below and patch those first.
The most recent Nas542 Firmware flaw added to the known-exploited list is CVE-2023-27992, on 23 June 2023. We keep watching the known-exploited list.
Which versions of Nas542 Firmware do the exploited flaws hit?
Each exploited flaw lists the versions it affects, usually as ranges. "before 5.21(abag.11)c0" means every version up to, but not including, 5.21(abag.11)c0. Find your version, then patch.
- CVE-2023-27992Exploited list, 23 Jun 2023
Zyxel Multiple NAS Devices Command Injection Vulnerability
before 5.21(abag.11)c0 - CVE-2020-9054Exploited list, 25 Mar 2022
Zyxel Multiple NAS Devices OS Command Injection Vulnerability
before 5.21(abag.4)c0
Which Nas542 Firmware vulnerabilities are being exploited?
2 flaws are on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.
- 9.8Zyxel Multiple NAS Devices Command Injection Vulnerability
Multiple Zyxel network-attached storage (NAS) devices contain a pre-authentication command injection vulnerability that could allow an unauthenticated attacker to execute commands remotely via a crafted HTTP request.
- 9.8Zyxel Multiple NAS Devices OS Command Injection Vulnerability
Multiple Zyxel network-attached storage (NAS) devices contain a pre-authentication command injection vulnerability, which may allow a remote, unauthenticated attacker to execute arbitrary code.
Which Nas542 Firmware flaws are most likely to be used?
Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.
- >99%
Multiple ZyXEL network-attached storage (NAS) devices running firmware version 5.21 contain a pre-authentication command injection vulnerability, which may allow a remote, unauthenticated attacker to execute...
- 89%CVE-2024-29972Critical
** UNSUPPORTED WHEN ASSIGNED ** The command injection vulnerability in the CGI program "remote_help-cgi" in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0...
- 86%CVE-2024-29973Critical
** UNSUPPORTED WHEN ASSIGNED ** The command injection vulnerability in the “setCookie” parameter in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could...
- 83%
The pre-authentication command injection vulnerability in the Zyxel NAS326 firmware versions prior to V5.21(AAZF.14)C0, NAS540 firmware versions prior to V5.21(AATB.11)C0, and NAS542 firmware versions prior to...
- 60%CVE-2023-37928High
A post-authentication command injection vulnerability in the WSGI server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an authenticated attacker to...
- 41%CVE-2023-4473Critical
A command injection vulnerability in the web server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating...
- 40%CVE-2023-35138Critical
A command injection vulnerability in the “show_zysync_server_contents” function of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated...
- 30%CVE-2023-4474Critical
The improper neutralization of special elements in the WSGI server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute...
- 28%CVE-2023-5372High
The post-authentication command injection vulnerability in Zyxel NAS326 firmware versions through V5.21(AAZF.15)C0 and NAS542 firmware versions through V5.21(ABAG.12)C0 could allow an authenticated attacker with...
- 23%CVE-2024-29974Critical
** UNSUPPORTED WHEN ASSIGNED ** The remote code execution vulnerability in the CGI program “file_upload-cgi” in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before...
Running Nas542 Firmware? We'll keep checking.
Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.
- Tell us what you runPick your software from a list, or let us work it out from your website.
- We match it to every flawOver 400,000 published flaws, checked against your list.
- Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
- Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.
Free plan, no card needed. Nothing to install.
1 flaw being exploited affects software Acme tracks
Multiple Zyxel network-attached storage (NAS) devices contain a pre-authentication command injection vulnerability that could allow an unauthenticated attacker to execute commands remotely via a crafted HTTP request.
- Matched to
- Nas542 Firmware on Acme's software list
- What to do
- Patch first, then check for signs of use
Sent to the alert recipients Acme chose. Also in the app and to Acme's webhook.
We track 18 published vulnerabilities listed under the name Nas542 Firmware, across 8 versions. The most recent Nas542 Firmware flaw added to the known-exploited list is CVE-2023-27992, on 23 June 2023.
2 are on the list of flaws known to be exploited. The most recently added are CVE-2023-27992 and CVE-2020-9054.
Each flaw names its own versions, usually as ranges. The newest, CVE-2023-27992, affects before 5.21(abag.11)c0. The versions for every exploited flaw are listed on this page.
Create a Precursor Intelligence account and track Nas542 Firmware. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.