by Kastro
Paper/Archive/CVE-2026-3301

CVE-2026-3301

Totolink N300RH — Totolink N300RH Web Management cstecgi.cgi setWebWlanIdx os command injection

EPSS 4%public exploitCVSS 9.8
critical.is priorityof 100
58
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 91.4.914 × 2018.3Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
N300RH6.1c.1353_B20190305–CNA

Scores by source

VulDB (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
VulDB (CNA)9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
VulDB (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

writeupvuldb.com/?id.348052refvuldb.com/?ctiid.348052writeupvuldb.com/?submit.761297exploitgithub.com/xyh4ck/iot_poc/blob/main/TOTOLINK/N300RHv4/01_setWebWlanIdx_RCE/README.mdreftotolink.net