CVE-2026-112351 Sunhillo SureLine OS Command Injection via networkDiag.cgi
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-112351?
CVE-2026-112351 is a high-severity vulnerability in Sunhillo Corporation SureLine, published on 27 Oct 2026.
Official description
Sunhillo SureLine before 9.1.5 contains an OS command injection vulnerability in the networkDiag.cgi endpoint that allows an authenticated remote attacker with any web account to execute arbitrary commands as root by injecting shell metacharacters into the ipAddr or dnsAddr parameters. Attackers can bypass the incomplete character denylist from the prior CVE-2021-36380 fix using URL-encoded newline (%0a) or ampersand (%26) sequences that act as command separators after decoding in the ping, nslookup, or traceroute diagnostic modes, leading to full system compromise.
Weakness: CWE-78
Which versions are affected by CVE-2026-112351?
How do I fix CVE-2026-112351?
No fix has been published for CVE-2026-112351 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-112351 being exploited?
There is no known exploitation of CVE-2026-112351 in the wild and no public exploit code.
Sources
Also known as GHSA-x64r-r4gj-xh6q.