CVE-2026-5177

Totolink A3300R cstecgi.cgi setWiFiBasicCfg command injection

A weakness has been identified in Totolink A3300R 17.0.0cu.557_b20221024. Affected by this vulnerability is the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument rxRate can lead to command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

Affected

Totolink · A3300R

CVSS v4.0 VULDB

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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 NVD

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 VULDB

6.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0 VULDB

6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

EPSS

3.55% chance of exploitation in the next 30 days, 89th percentile

Published

2026-03-31

Proof-of-concept exploits (1)

• LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_rxRate_cmd_inject2★ · 2026-03-13

Security advisories

• https://vuldb.com/submit/779146
• https://vuldb.com/vuln/354245
• https://www.totolink.net

References

• CVE Record
• NVD entry

Related

• CVE-2026-5103
• CVE-2026-5104
• CVE-2026-5105
• CVE-2026-5176
• CVE-2026-5178