CVE-2022-47065: trendnet tew-820ap_firmware Out-of-bounds Write

Vulnerability summary

CVE-2022-47065 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in trendnet tew-820ap_firmware. EPSS estimates a 1.09% chance of exploitation in the next 30 days, higher than 65.2% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 23-01-2023
   PublishedVulnerability first disclosed.
2. 03-08-2024
   Last modifiedVulnerability information updated.

Description

TrendNet Wireless AC Easy-Upgrader TEW-820AP v1.0R, firmware version 1.01.B01 was discovered to contain a stack overflow via the submit-url parameter at /formNewSchedule. This vulnerability allows attackers to execute arbitrary code via a crafted payload. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
• 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).