CVE-2026-5105

2.1 lowEPSS 4.1%

Low (2.1) in totolink a3300r firmware. EPSS 4.1% chance of exploitation in the next 30 days.

A vulnerability was detected in Totolink A3300R 17.0.0cu.557_b20221024. The affected element is the function setVpnPassCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. Performing a manipulation of the argument pptpPassThru results in command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used.

Severity

CVSS 4.0

2.1 low

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 4.1% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)
CWEs: CWE-77, CWE-74
Published: 2026-03-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

totolink:a3300r_firmware

References

https://github.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_pptpPassThru_cmd_inject
https://vuldb.com/submit/779143
https://vuldb.com/vuln/354130
https://vuldb.com/vuln/354130/cti
https://www.totolink.net/

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