What is the CVSS score of CVE-2024-2891?

CVE-2024-2891 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.7%.

Is there a public PoC exploit available for CVE-2024-2891?

Yes, a public proof-of-concept exploit is available for CVE-2024-2891. Prioritise patching immediately. EPSS: 1.7%.

Ac7 Firmware CVE-2024-2891

HIGH

Stack-based Buffer Overflow (CWE-121)

2024-03-26 cna@vuldb.com

Buffer Overflow Tenda Stack Overflow Ac7 Firmware

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Mar 26, 2024 - 14:15 nvd

HIGH 8.8

DescriptionNVD

A vulnerability, which was classified as critical, was found in Tenda AC7 15.03.06.44. Affected is the function formQuickIndex of the file /goform/QuickIndex. The manipulation of the argument PPPOEPassword leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-257934 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

A vulnerability, which was classified as critical, was found in Tenda AC7 15.03.06.44. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-121. A vulnerability, which was classified as critical, was found in Tenda AC7 15.03.06.44. Affected is the function formQuickIndex of the file /goform/QuickIndex. The manipulation of the argument PPPOEPassword leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-257934 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way. Affected products include: Tenda Ac7 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.