ASR 1000 vulnerabilitiesAnd the versions its exploited flaws hit.
ASR 1000 is made by Cisco. We track 27 published vulnerabilities listed under that exact name, across 0 versions. 9 of them are on the list of flaws known to be exploited, the newest added on 25 February 2026. Cisco lists newer releases under their own names, such as ASR 1000 Series Route Processor (rp2), so check those pages too.
The most recent ASR 1000 flaw added to the known-exploited list is CVE-2022-20775, on 25 February 2026. We keep watching the known-exploited list.
Is ASR 1000 listed under other names? Yes.
Cisco also lists ASR 1000 under more specific names, such as ASR 1000 Series Route Processor (rp2) and ASR 1000 Series Route Processor (rp3). Flaws listed only under those names are counted on their own pages, not here. If you run one of these, open its page for its own exploited flaws.
- ASR 1000 Series Route Processor (rp2)7 published vulnerabilities
- ASR 1000 Series Route Processor (rp3)6 published vulnerabilities
- ASR 1000 Series4 published vulnerabilities
- ASR 10002 published vulnerabilities
- ASR 1000 Series Firmware1 published vulnerability
- ASR 1000 Series Software1 published vulnerability
Which versions of ASR 1000 do the exploited flaws hit?
Each exploited flaw lists the versions it affects, as published by the vendor. Find your version, then patch.
Which ASR 1000 vulnerabilities are being exploited?
9 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.
- 7.8Cisco SD-WAN Path Traversal Vulnerability
Cisco SD-WAN CLI contains a path traversal vulnerability that could allow an authenticated local attacker to gain elevated privileges via improper access controls on commands within the application CLI.
- 6.5Cisco IOS Software for Cisco Integrated Services Routers Denial-of-Service Vulnerability
A vulnerability in the implementation of a protocol in Cisco Integrated Services Routers Generation 2 (ISR G2) Routers running Cisco IOS could allow an unauthenticated, adjacent attacker to cause an affected device...
- 7.5Cisco IOS and IOS XE Software Internet Key Exchange Denial-of-Service Vulnerability
A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco IOS and Cisco IOS XE could allow an unauthenticated, remote attacker to cause high CPU utilization, traceback messages, or a reload of an...
- 9.8Cisco IOS and IOS XE Software DHCP Remote Code Execution Vulnerability
The Dynamic Host Configuration Protocol (DHCP) relay subsystem of Cisco IOS and Cisco IOS XE Software contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code and gain...
- 7.5Cisco IOS Software Network Address Translation Denial-of-Service Vulnerability
A vulnerability in the implementation of Network Address Translation (NAT) functionality in Cisco IOS could allow an unauthenticated, remote attacker to cause a denial of service.
- 7.5Cisco IOS Software Integrated Services Module for VPN Denial-of-Service Vulnerability
A vulnerability in the crypto engine of the Cisco Integrated Services Module for VPN (ISM-VPN) running Cisco IOS Software could allow an unauthenticated, remote attacker to cause a denial-of-service (DoS) condition.
- 5.9Cisco IOS Software Denial-of-Service Vulnerability
A vulnerability in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attacker to trigger a reload of an affected system, resulting in a denial of service (DoS)...
- 5.9Cisco IOS Software Denial-of-Service Vulnerability
A vulnerability in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attacker to trigger a reload of an affected system, resulting in a denial of service (DoS)...
Which ASR 1000 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.
- 14%
The DHCP relay subsystem of Cisco IOS 12.2 through 15.6 and Cisco IOS XE Software contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code and gain full control of an...
- 12%
Multiple vulnerabilities in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to gain elevated privileges.
- 7.1%
A vulnerability in the crypto engine of the Cisco Integrated Services Module for VPN (ISM-VPN) running Cisco IOS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition...
- 7.1%
A vulnerability in the implementation of Network Address Translation (NAT) functionality in Cisco IOS 12.4 through 15.6 could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on...
- 7.1%
A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco IOS 15.0 through 15.6 and Cisco IOS XE 3.5 through 16.5 could allow an unauthenticated, remote attacker to cause high CPU utilization,...
- 5.2%
A vulnerability in the Border Gateway Protocol (BGP) over an Ethernet Virtual Private Network (EVPN) for Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload, resulting...
- 4.9%
Multiple vulnerabilities in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attacker to trigger a reload of an affected system, resulting in a denial of...
- 4.9%
Multiple vulnerabilities in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attacker to trigger a reload of an affected system, resulting in a denial of...
- 2.6%CVE-2021-34727Critical
A vulnerability in the vDaemon process in Cisco IOS XE SD-WAN Software could allow an unauthenticated, remote attacker to cause a buffer overflow on an affected device.
- 2.2%
A vulnerability in the implementation of a protocol in Cisco Integrated Services Routers Generation 2 (ISR G2) Routers running Cisco IOS 15.0 through 15.6 could allow an unauthenticated, adjacent attacker to cause an...
Running ASR 1000? We'll keep checking.
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1 flaw being exploited affects software Acme tracks
Cisco SD-WAN CLI contains a path traversal vulnerability that could allow an authenticated local attacker to gain elevated privileges via improper access controls on commands within the application CLI. A successful exploit could allow the attacker to execute arbitrary commands as the root user.
- Matched to
- ASR 1000 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 27 published vulnerabilities listed under the name ASR 1000, across 0 versions. The most recent ASR 1000 flaw added to the known-exploited list is CVE-2022-20775, on 25 February 2026.
9 are on the list of flaws known to be exploited. The most recently added are CVE-2022-20775, CVE-2017-12232 and CVE-2017-12237.
Cisco also lists ASR 1000 under more specific names, such as ASR 1000 Series Route Processor (rp2) and ASR 1000 Series Route Processor (rp3). Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list.
Create a Precursor Intelligence account and track ASR 1000. 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.