CVE-2026-5178

MEDIUM 6.3

Totolink A3300R cstecgi.cgi setIptvCfg command injection

CVSS Score

6.3

EPSS Score

0.7%

EPSS Percentile

72th

A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_b20221024. Affected by this issue is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument vlanPriLan3 leads to command injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.

CWE	CWE-77 CWE-74
Vendor	totolink
Product	a3300r
Published	Mar 31, 2026
Last Updated	Apr 2, 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/354246 vuldb.com: https://vuldb.com/vuln/354246/cti vuldb.com: https://vuldb.com/submit/779147 github.com: https://github.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_vlanPriLan3_cmd_inject totolink.net: https://www.totolink.net/

Credits

🔍 LvHW (VulDB User)