What is the CVSS score of CVE-2026-2192?

CVE-2026-2192 has a CVSS 3.1 base score of 7.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Ac9 Firmware are affected by CVE-2026-2192?

A high-severity vulnerability in Tenda AC9 routers (version 15.03.06.42_multi) has been publicly disclosed with working exploits available, creating immediate risk for organizations using this…

Is there a public PoC exploit available for CVE-2026-2192?

Yes, a public proof-of-concept exploit is available for CVE-2026-2192. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2026-2192?

Within 24 hours: Identify all Tenda AC9 devices running version 15.03.06.42_multi in your environment and isolate affected units from production networks if possible. Within 7 days: Implement network segmentation to restrict administrative access to affected devices and enable enhanced logging on these devices. Within 30 days: Contact Tenda for patch availability and timeline; if no patch emerges, evaluate replacing affected devices with alternative vendors or disabling the formGetRebootTimer function if technically feasible.

Ac9 Firmware CVE-2026-2192

HIGH

Buffer Overflow (CWE-119)

2026-02-08 cna@vuldb.com

Buffer Overflow Stack Overflow Ac9 Firmware

7.2

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.2 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Feb 10, 2026 - 15:09 vuln.today

Public exploit code

CVE Published

Feb 08, 2026 - 23:15 nvd

HIGH 7.2

DescriptionCVE.org

A security vulnerability has been detected in Tenda AC9 15.03.06.42_multi. Affected by this vulnerability is the function formGetRebootTimer. Such manipulation of the argument sys.schedulereboot.start_time/sys.schedulereboot.end_time leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.

AnalysisAI

Stack buffer overflow in Tenda AC9 firmware versions up to 15.03.06.42_multi allows remote attackers to achieve code execution by manipulating scheduled reboot parameters without authentication. Public exploit code exists for this vulnerability, and no patch is currently available. The attack requires high privileges but succeeds over the network with minimal complexity.

Technical ContextAI

Classified as CWE-119 (Buffer Overflow). Affects Ac9 Firmware. A security vulnerability has been detected in Tenda AC9 15.03.06.42_multi. Affected by this vulnerability is the function formGetRebootTimer. Such manipulation of the argument sys.schedulereboot.start_time/sys.schedulereboot.end_time leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.

RemediationAI

Monitor vendor advisories for a patch. Enable ASLR, DEP/NX, and stack canaries where possible. Restrict network access to the affected service where possible.