CVE-2026-5101

MEDIUM 6.3

Totolink A3300R Parameter cstecgi.cgi setLanCfg command injection

CVSS Score

6.3

EPSS Score

2.9%

EPSS Percentile

86th

A vulnerability was identified in Totolink A3300R 17.0.0cu.557_b20221024. This affects the function setLanCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. The manipulation of the argument lanIp leads to command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

CWE	CWE-77 CWE-74
Vendor	totolink
Product	a3300r
Published	Mar 29, 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/354126 vuldb.com: https://vuldb.com/vuln/354126/cti vuldb.com: https://vuldb.com/submit/779128 github.com: https://github.com/Litengzheng/vul_db/blob/main/A3300R/vul_39/README.md totolink.net: https://www.totolink.net/

Credits

🔍 LtzHuster2 (VulDB User)