CVE-2026-3301
9.8
CRITICAL · CVSS 3.1 · EPSS 4.5% (pctl 91)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
A security flaw has been discovered in Totolink N300RH 6.1c.1353_B20190305. Affected by this vulnerability is the function setWebWlanIdx of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument webWlanIdx results in os command injection. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.
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 | 4.51% — more likely to be exploited than 91% of all CVEs |
| Weakness | CWE-77 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2026-02-27 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| totolink | n300rh |
| totolink | n300rh firmware |
References
→ the Explorer · watch your stack · NVD