CVE-2022-26992: arris sbr-ac1200p_firmware OS Command Injection

Vulnerability summary

CVE-2022-26992 is a critical (CVSS 9.8) OS Command Injection vulnerability in arris sbr-ac1200p_firmware. EPSS estimates a 2.91% chance of exploitation in the next 30 days, higher than 86.8% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 15-03-2022
   PublishedVulnerability first disclosed.
2. 03-08-2024
   Last modifiedVulnerability information updated.

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 ddns function via the DdnsUserName, DdnsHostName, and DdnsPassword parameters. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.