CVE-2026-82555

A vulnerability has been found in TOTOLINK N600R 4.3.0cu.7866_B20220506. This vulnerability affects the function loginAuth of the file /web_cste/cgi-bin/cstecgi.cgi of the component Authentication Handler. Such manipulation leads to insufficiently random values. It is possible to launch the attack remotely. This attack is characterized by high complexity. It is stated that the exploitability is difficult. The exploit has been disclosed to the public and may be used.

CVSS v3 3.7 LOW
CVSS v2.0 2.6 LOW

3.7^/10

CVSS v3 : LOW

Vector :

Exploitability : 2.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

2.6^/10

CVSS v2.0 : LOW

Vector : AV:N/AC:H/Au:N/C:P/I:N/A:N

Exploitability : 4.9 / Impact : 2.9

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/b1uerry/cves/blob/main/TOTOLINK/N600R/TOTOLINK_N600R_predictable-token/poc.py
https://github.com/b1uerry/cves/tree/main/TOTOLINK/N600R/TOTOLINK_N600R_predictable-token
https://vuldb.com/cve/CVE-2026-82555
https://vuldb.com/submit/891698
https://vuldb.com/vuln/397071
https://vuldb.com/vuln/397071/cti
https://www.totolink.net/

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-30 18:17

Updated : 2026-08-31 22:17

NVD link : CVE-2026-82555

Mitre link : CVE-2026-82555

CVE.ORG link : CVE-2026-82555

JSON object : View

Products Affected

No product.

CWE

CWE-310

Cryptographic Issues

CWE-330

Use of Insufficiently Random Values

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