What is the CVSS score of CVE-2022-26993?

CVE-2022-26993 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 2.7%.

Is there a public PoC exploit available for CVE-2022-26993?

Yes, a public proof-of-concept exploit is available for CVE-2022-26993. Prioritise patching immediately. EPSS: 2.7%.

Sbr Ac1900P Firmware CVE-2022-26993

CRITICAL

OS Command Injection (CWE-78)

2022-03-15 cve@mitre.org

Command Injection Sbr Ac1900P Firmware Sbr Ac3200P Firmware Sbr Ac1200P Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Mar 15, 2022 - 22:15 nvd

CRITICAL 9.8

DescriptionNVD

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 pppoe function via the pppoeUserName, pppoePassword, and pppoe_Service parameters. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

AnalysisAI

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 pppoe function via the pppoeUserName,. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. 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 pppoe function via the pppoeUserName, pppoePassword, and pppoe_Service parameters. This vulnerability allows attackers to execute arbitrary commands via a crafted request. Affected products include: Arris Sbr-Ac1900P Firmware, Arris Sbr-Ac3200P Firmware, Arris Sbr-Ac1200P Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.