CVE-2022-26991

Name: CVE-2022-26991
Creator: NVD / NIST
Published: 2022-03-15T22:15:14.813+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.72%

Last modified Jun 17, 2026

CVE-2022-26991 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Arris routers SBR-AC1900P 1.0.7-B05, SBR-AC3200P 1.0.7-B05 and SBR-AC1200P 1.0.5-B05 were discovered to contain a command injection vulnerability in the ntp function via the TimeZone parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.. EPSS estimates a 2.72% chance of exploitation in the next 30 days.

Description

Arris routers SBR-AC1900P 1.0.7-B05, SBR-AC3200P 1.0.7-B05 and SBR-AC1200P 1.0.5-B05 were discovered to contain a command injection vulnerability in the ntp function via the TimeZone parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.72%

84.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Arris	Sbr-Ac1900p Firmware	1.0.7-b05
Arris	Sbr-Ac3200p Firmware	1.0.7-b05
Arris	Sbr-Ac1200p Firmware	1.0.5-b05

References

https://github.com/wudipjq/my_vuln/blob/main/ARRIS/vuln_6/6.mdExploit, Third Party Advisory
https://github.com/wudipjq/my_vuln/blob/main/ARRIS/vuln_6/6.mdExploit, Third Party Advisory

Timeline

Published: Mar 15, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-26991?

How severe is CVE-2022-26991?

CVE-2022-26991 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.72% probability of exploitation in the next 30 days.

How do I fix CVE-2022-26991?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-26991?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST