CVE-2026-5105

MEDIUM 6.3

Totolink A3300R Parameter cstecgi.cgi setVpnPassCfg command injection

CVSS Score

6.3

EPSS Score

2.9%

EPSS Percentile

86th

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.

CWE	CWE-77 CWE-74
Vendor	totolink
Product	a3300r
Published	Mar 30, 2026
Last Updated	Mar 30, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Totolink / A3300R

17.0.0cu.557_b20221024

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 LvHW (VulDB User)