CVE-2025-69700

HIGH
2026-02-23 [email protected]
7.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
PoC Detected
Feb 24, 2026 - 20:37 vuln.today
Public exploit code
CVE Published
Feb 23, 2026 - 14:16 nvd
HIGH 7.5

Tags

Buffer Overflow Stack Overflow Fh1203 Firmware Tenda

Description

Tenda FH1203 V2.0.1.6 contains a stack-based buffer overflow vulnerability in the modify_add_client_prio function, which is reachable via the formSetClientPrio CGI handler.

Analysis

Tenda FH1203 V2.0.1.6 contains a stack-based buffer overflow vulnerability in the modify_add_client_prio function, which is reachable via the formSetClientPrio CGI handler. [CVSS 7.5 HIGH]

Technical Context

Classified as CWE-121 (Stack-based Buffer Overflow). Affects the modify_add_client_prio component of Fh1203 Firmware. Tenda FH1203 V2.0.1.6 contains a stack-based buffer overflow vulnerability in the modify_add_client_prio function, which is reachable via the formSetClientPrio CGI handler.

Affected Products

Vendor: Tenda. Product: Fh1203 Firmware. Versions: up to 2.0.1.6. Component: modify_add_client_prio.

Remediation

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

Priority Score

58
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +38
POC: +20

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CVE-2025-69700 vulnerability details – vuln.today
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