CVE-2026-108892: Linksys E1700 Mac Filter ssid1MACFilter stack-based overflow

Vulnerability summary

CVE-2026-108892 is a critical (CVSS 10.0) vulnerability in linksys e1700. EPSS estimates a 0.62% chance of exploitation in the next 30 days, higher than 49% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 12-10-2026
   PublishedVulnerability first disclosed.
2. 15-10-2026
   Last modifiedVulnerability information updated.

Description

A vulnerability was determined in Linksys E1700 1.0.0.4.003. This vulnerability affects the function ssid1MACFilter of the file /goform/ssid1MACFilter of the component Mac Filter. This manipulation of the argument newap_text_%d causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

• 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).