CVE-2026-8137
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductTotolink X5000r Firmware
PublishedMay 8, 2026
First seenMay 8, 2026
Weakness typeCWE-120CWE-120CWE-119Memory buffer bounds error
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| totolink x5000r_firmware | 9.1.0u.6369_B20230113 | — |
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