CVE-2026-5679

A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_B20221024. The impacted element is the function vsetTr069Cfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument stun_pass leads to os command injection. The exploit has been disclosed publicly and may be used.

CVSS v4.0

2.0 LOWCVSS:4.0/AV:A/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

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

CVSS v2.0

5.2 MEDIUMAV:A/AC:L/Au:S/C:P/I:P/A:P

EPSS

1.74% chance of exploitation in the next 30 days, 76th percentile

Published

2026-04-06

Updated

2026-04-07

Proof-of-concept exploits (1)

• Svigo-o/TOTOLINK-Vul/tree/main/totolink-a3300r-stun-pass-cmd-injection

References

• CVE Record
• NVD entry

Related

• CVE-2026-13538
• CVE-2026-13539
• CVE-2026-3799
• CVE-2026-3801
• CVE-2026-3802
• CVE-2026-3803