CVE-2026-7156
9.8
CRITICAL · CVSS 3.1 · EPSS 3.3% (pctl 88)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function CsteSystem of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument HTTP results in os command injection. The attack may be launched remotely. The exploit is now public and may be used.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.25% — more likely to be exploited than 88% of all CVEs |
| Weakness | CWE-77 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2026-04-27 |
| Last modified | 2026-06-17 |
References
→ the Explorer · watch your stack · NVD