ASR 9902 vulnerabilitiesAnd the versions its exploited flaws hit.

Product2 known exploited0 versions
The short answer

ASR 9902 is made by Cisco. We track 21 published vulnerabilities in it, across 0 versions. 2 of them are on the list of flaws known to be exploited, the newest added on 3 March 2022. If you run ASR 9902, check your version against the exploited flaws below and patch those first.

Check your version

The most recent ASR 9902 flaw added to the known-exploited list is CVE-2017-12231, on 3 March 2022. We keep watching the known-exploited list.

Versions

Which versions of ASR 9902 do the exploited flaws hit?

Each exploited flaw lists the versions it affects, as published by the vendor. Find your version, then patch.

Known exploited

Which ASR 9902 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.

  1. 7.5
    CVE-2017-12231HighKnown exploited
    Cisco 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.

    Chance of use7.1%Known exploited since3 Mar 2022
  2. 9.8
    CVE-2017-12240CriticalKnown exploited
    Cisco 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...

    Chance of use14%Known exploited since3 Mar 2022
Exploit likelihood

Which ASR 9902 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.

50% or more10% to 49%Under 10%
  1. 14%
    CVE-2017-12240CriticalKnown exploited

    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...

    CVSS9.8Published29 Sep 2017
  2. 7.1%
    CVE-2017-12231HighKnown exploited

    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...

    CVSS7.5Published29 Sep 2017
  3. 1.7%

    A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to perform a directory traversal and access resources that are outside the filesystem mountpoint of the web UI.

    CVSS6.5Published23 Mar 2023
  4. 1.6%

    A vulnerability in the SSH Server process of Cisco IOS XR Software could allow an authenticated, remote attacker to overwrite and read arbitrary files on the local device.

    CVSS8.1Published9 Sep 2021
  5. 1.5%

    A vulnerability in the data plane microcode of Lightspeed-Plus line cards for Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause the line card to reset.

    CVSS8.6Published15 Apr 2022
  6. 1.3%

    A vulnerability in the DHCP version 4 (DHCPv4) server feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to trigger a crash of the dhcpd process, resulting in a denial of service (DoS)...

    CVSS7.5Published9 Sep 2021
  7. 1.3%

    A vulnerability in the IP Service Level Agreements (IP SLA) responder and Two-Way Active Measurement Protocol (TWAMP) features of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause device...

    CVSS8.6Published9 Sep 2021
  8. 1.0%

    A vulnerability in the bidirectional forwarding detection (BFD) hardware offload feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers, ASR 9902 Compact High-Performance Routers, and...

    CVSS7.5Published9 Mar 2023
  9. 0.6%

    Multiple vulnerabilities in the Cisco IOx application hosting environment on multiple Cisco platforms could allow an attacker to inject arbitrary commands into the underlying host operating system, execute arbitrary...

    CVSS6.7Published15 Apr 2022
  10. 0.5%

    A vulnerability in the IPv4 access control list (ACL) feature and quality of service (QoS) policy feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers, ASR 9902 Compact...

    CVSS8.6Published12 Mar 2025
Precursor Intelligence

Running ASR 9902? 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.

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FAQ

Common questions, answered plainly.

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We track 21 published vulnerabilities listed under the name ASR 9902, across 0 versions. The most recent ASR 9902 flaw added to the known-exploited list is CVE-2017-12231, on 3 March 2022.

2 are on the list of flaws known to be exploited. The most recently added are CVE-2017-12231 and CVE-2017-12240.

Create a Precursor Intelligence account and track ASR 9902. 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.