CVE-2026-82597

TOTOLINK NR1800X cstecgi.cgi setUssd command injection

A vulnerability was identified in TOTOLINK NR1800X 9.1.0u.6681_B20230703. This affects the function setUssd of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ussd leads to command injection. The attack can be initiated remotely. The exploit is publicly available and might be used.

Affected

TOTOLINK · NR1800X

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:L/SI:L/SA:L/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 VULDB

7.4 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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

1.82% chance of exploitation in the next 30 days, 78th percentile

Published

2026-08-31

Proof-of-concept exploits (1)

• lxiansheng488-bit/-/blob/main/TOTOlink/totolink%20setuuid%E5%91%BD%E4%BB%A4%E6%B3%A8%E5%8…0★ · 2026-07-16

References

• CVE Record
• NVD entry

Related

• CVE-2026-77004
• CVE-2026-82616