GHSA-v8w8-j3hm-5q73HighCVSS 7.2
Multiple DrayTek VigorSwitch models contain a buffer overflow vulnerability in the sysreboot...
🔗 CVE IDs covered (1)
📋 Description
Multiple DrayTek VigorSwitch models contain a buffer overflow vulnerability in the sysreboot function. The vulnerability is caused by unsafe concatenation of split valueN data into a fixed-size buffer. A remote attacker can trigger this vulnerability via crafted input, causing a denial of service or potentially executing arbitrary commands. Exploitation requires valid administrative credentials for the device's web management interface.
🔗 References (4)
- https://nvd.nist.gov/vuln/detail/CVE-2026-71936
- https://www.draytek.com/about/security-advisory/multiple-vulnerabilities-in-vigorswitch-series-august-2026
- https://www.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-buffer-overflow-via-sysreboot
- https://github.com/advisories/GHSA-v8w8-j3hm-5q73