CVE-2026-82597

HIGH 7.4

TOTOLINK NR1800X cstecgi.cgi setUssd command injection

CVSS Score

7.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-77 CWE-74
Vendor	totolink
Product	nr1800x
Published	Aug 31, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

TOTOLINK / NR1800X

9.1.0u.6681_B20230703

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 577488768 (VulDB User)