CVE-2026-8137

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.

CVSS 4.0

7.4CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

CVSS 3.1

8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-26)

CWEs

CWE-119, CWE-120

Published

2026-05-08

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

References

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

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