VulnerabilityAnalyzed

CVE-2026-5101

A vulnerability was identified in Totolink A3300R 17.0.0cu.557_b20221024.

LOW 2.1EPSS 2.40%

Does this matter?

Lower severity and a low EPSS score (2.40%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 4.0: 2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 2.40% probability · 83th percentile
CISA KEV: Not listed
Weakness: CWE-74, CWE-77, CWE-78
Affected: totolink/a3300r firmware
Source: cna@vuldb.com

References

https://github.com/Litengzheng/vul_db/blob/main/A3300R/vul_39/README.mdExploit, Third Party Advisory
https://vuldb.com/submit/779128Third Party Advisory, VDB Entry
https://vuldb.com/vuln/354126Third Party Advisory, VDB Entry
https://vuldb.com/vuln/354126/ctiThird Party Advisory, VDB Entry
https://www.totolink.net/Product

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.