CVE-2026-5101

moderate-risk
Published 2026-03-29

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.

Do I need to act?

~
2.9% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Totolink

References (5)

Exploit https://github.com/Litengzheng/vul_db/blob/main/A3300R/vul_39/README.md
VDB Entry https://vuldb.com/submit/779128
Third Party Advisory https://vuldb.com/vuln/354126
Third Party Advisory https://vuldb.com/vuln/354126/cti
Product https://www.totolink.net/
34
/ 100
moderate-risk
Severity 23/34 · High
Exploitability 6/34 · Minimal
Exposure 5/34 · Minimal