Executive brief
Zyxel P660HN-T1A routers contain an unauthenticated command injection vulnerability in the Remote System Log forwarding function. The flaw exists in the ViewLog.asp page and can be exploited via the remote_host parameter to execute arbitrary OS commands.
Affected products
- Zyxel P660HN-T1A v1 firmware 7.3.15.0 v001 / 3.40(ULM.0)b31
- Zyxel P660HN-T1A v2 firmware 7.3.15.0
- Billion 5200W-T firmware 7.3.8.0
Timeline
- 2017-01-24: disclosed: Initial public disclosure via Full Disclosure mailing list
- 2019-05-03: other: Initial NIST NVD analysis published
- 2023-08-07: kev added: Added to CISA Known Exploited Vulnerabilities Catalog