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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact Low

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
TOTOLINK NR1800X affected
Version Status Constraints
9.1.0u.6681_B20230703 affected —

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Project Subscriptions

Vendors Products
Totolink Subscribe
Nr1800x Firmware Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/lxiansheng488-bit/-/blob/main/TOTOlink/totolink%20setuuid%E5%91%BD%E4%BB%A4%E6%B3%A8%E5%85%A5.pdf cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-82597 cve-icon cve-icon
https://vuldb.com/submit/892696 cve-icon cve-icon
https://vuldb.com/vuln/397092 cve-icon cve-icon
https://vuldb.com/vuln/397092/cti cve-icon cve-icon
https://www.totolink.net/ cve-icon cve-icon
History

Mon, 31 Aug 2026 01:00:00 +0000

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-08-31T00:15:09.430Z

Reserved: 2026-08-30T06:27:13.531Z

Link: CVE-2026-82597

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-31T01:16:50.190

Modified: 2026-08-31T01:16:50.190

Link: CVE-2026-82597

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses