VulnerabilityAnalyzed

CVE-2026-5178

A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_b20221024.

LOW 2.1EPSS 4.03%

Does this matter?

Lower severity and a low EPSS score (4.03%). Track it; it rarely justifies an emergency change on its own.

Description

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.

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: 4.03% probability · 90th percentile
CISA KEV: Not listed
Weakness: CWE-74, CWE-77
Affected: totolink/a3300r firmware
Source: cna@vuldb.com

References

https://github.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_vlanPriLan3_cmd_injectExploit, Third Party Advisory
https://vuldb.com/submit/779147Third Party Advisory, VDB Entry
https://vuldb.com/vuln/354246Third Party Advisory, VDB Entry
https://vuldb.com/vuln/354246/ctiPermissions Required, VDB Entry
https://www.totolink.net/Product

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