CVE-2026-82597

TOTOLINK NR1800X cstecgi.cgi setUssd command injection

Published Aug 31, 2026 CVSS 4.0 · 5.3 Medium EPSS 1.8% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Totolink nr1800x
Vendors & Products Totolink nr1800x
Type Values Removed Values Added
Description 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.
Title TOTOLINK NR1800X cstecgi.cgi setUssd command injection
First Time appeared Totolink
Totolink nr1800x Firmware
Weaknesses CWE-74
CWE-77
CPEs cpe:2.3:o:totolink:nr1800x_firmware:*:*:*:*:*:*:*:*
Vendors & Products Totolink
Totolink nr1800x Firmware
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 7.4, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS: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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Aug 31, 2026, 4:17 PM
Reserved
Aug 30, 2026, 6:27 AM
Status
Deferred
Published
Aug 31, 2026, 1:16 AM
Modified
Aug 31, 2026, 8:56 PM