CVE-2026-5679

MEDIUM 5.5

Totolink A3300R cstecgi.cgi vsetTr069Cfg os command injection

CVSS Score

5.5

EPSS Score

0.9%

EPSS Percentile

75th

A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_B20221024. The impacted element is the function vsetTr069Cfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument stun_pass leads to os command injection. The exploit has been disclosed publicly and may be used.

CWE	CWE-78 CWE-77
Vendor	totolink
Product	a3300r
Published	Apr 6, 2026
Last Updated	Apr 7, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:A/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/355506 vuldb.com: https://vuldb.com/vuln/355506/cti vuldb.com: https://vuldb.com/submit/792650 vuldb.com: https://vuldb.com/submit/792798 github.com: https://github.com/Svigo-o/TOTOLINK-Vul/tree/main/totolink-a3300r-stun-pass-cmd-injection totolink.net: https://www.totolink.net/

Credits

🔍 m202572177 (VulDB User)