CVE-2025-11527: tenda ac7_firmware

Vulnerability summary

CVE-2025-11527 is a high (CVSS 9.0) vulnerability in tenda ac7_firmware. EPSS estimates a 0.80% chance of exploitation in the next 30 days, higher than 56% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 09-10-2025
   PublishedVulnerability first disclosed.
2. 24-02-2026
   Last modifiedVulnerability information updated.

Description

A vulnerability was determined in Tenda AC7 15.03.06.44. The impacted element is an unknown function of the file /goform/fast_setting_pppoe_set. Executing a manipulation of the argument Password can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
• CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).