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CVE-2026-82597

TOTOLINK NR1800X cstecgi.cgi setUssd command injection

HIGH
7.4
CVSS Score
Published: August 31, 2026 at 12:15 AM UTC
Updated: August 31, 2026 at 09:06 PM UTC
2 products affected across 1 vendorNR1800X FirmwareNR1800X

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Severity
HIGH7.4
Exploit prediction
EPSS 2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

NR1800X Firmware· Totolink
95%
All versions
NR1800X· Totolink
60%
9.1.0u.6681_B20230703

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/397092
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/397092/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-82597
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/892696
Exploit
Source: cverecord
https://github.com/lxiansheng488-bit/-/blob/main/TOTOlink/totolink%20setuuid%E5%91%BD%E4%BB%A4%E6%B3%A8%E5%85%A5.pdf
Product
Source: cverecord
https://www.totolink.net/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.4HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-77CWE-74

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