CVE-2026-8137

HIGH 8.8

Totolink X5000R formDdns sub_458E40 buffer overflow

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability has been found in Totolink X5000R 9.1.0u.6369_B20230113. This vulnerability affects the function sub_458E40 of the file /boafrm/formDdns. The manipulation of the argument submit-url leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.

CWE	CWE-120 CWE-119
Vendor	totolink
Product	x5000r
Published	May 8, 2026
Last Updated	May 8, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Totolink / X5000R

9.1.0u.6369_B20230113

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/361926 vuldb.com: https://vuldb.com/vuln/361926/cti vuldb.com: https://vuldb.com/submit/808863 github.com: https://github.com/Kiciot/cve/issues/4 totolink.net: https://www.totolink.net/

Credits

🔍 kiciot (VulDB User)