Stack-Based Buffer Overflow in Tenda FH1203 by Tenda
CVE-2025-69700

7.5HIGH

Key Information:

Vendor

Tenda
Status
Tenda FH1203
Vendor
CVE Published:
23 February 2026

What is CVE-2025-69700?

The Tenda FH1203 V2.0.1.6 is susceptible to a stack-based buffer overflow vulnerability present in the modify_add_client_prio function. This issue can be triggered through the formSetClientPrio CGI handler, potentially allowing an attacker to execute arbitrary code or disrupt service. It is crucial for users to apply security measures, such as firmware updates, to protect their devices from potential exploitation.

References

https://github.com/xhh0124/SemVulLLM

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.