What is the CVSS score of CVE-2026-3810?

CVE-2026-3810 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: 0.1%.

Which versions of Fh1202 Firmware are affected by CVE-2026-3810?

A high-severity vulnerability (CVE-2026-3810) affecting Tenda FH1202 wireless routers has been publicly disclosed with working exploits available, creating immediate risk for organizations using this…

Is there a public PoC exploit available for CVE-2026-3810?

Yes, a public proof-of-concept exploit is available for CVE-2026-3810. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2026-3810?

Within 24 hours: Inventory all Tenda FH1202 devices (version 1.2.0.14(408)) in your environment and isolate affected units from critical network segments if possible. Within 7 days: Implement network segmentation to restrict administrative access to affected devices, disable remote management interfaces, and monitor for suspicious DHCP activity. Within 30 days: Plan replacement or upgrade of affected hardware with vendor alternatives that receive security updates; contact Tenda for patch availability timeline.

Fh1202 Firmware CVE-2026-3810

HIGH

Buffer Overflow (CWE-119)

2026-03-09 cna@vuldb.com

Buffer Overflow Stack Overflow Tenda Fh1202 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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:56 vuln.today

PoC Detected

Mar 09, 2026 - 15:26 vuln.today

Public exploit code

CVE Published

Mar 09, 2026 - 08:16 nvd

HIGH 8.8

DescriptionCVE.org

A vulnerability has been found in Tenda FH1202 1.2.0.14(408). This affects the function fromDhcpListClient of the file /goform/DhcpListClient. The manipulation of the argument page leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.

AnalysisAI

Stack overflow in Tenda FH1202 firmware version 1.2.0.14(408) allows authenticated attackers to achieve remote code execution through a malicious page parameter in the /goform/DhcpListClient endpoint. Public exploit code is available and the vulnerability remains unpatched, creating significant risk for deployed devices. This affects both the Tenda FH1202 router and Stack Overflow services with high severity impact on confidentiality, integrity, and availability.

Technical ContextAI

Classified as CWE-119 (Buffer Overflow). Affects Fh1202 Firmware. A vulnerability has been found in Tenda FH1202 1.2.0.14(408). This affects the function fromDhcpListClient of the file /goform/DhcpListClient. The manipulation of the argument page leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public 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.