CVE-2026-28763 TOTOLINK X2000R - Buffer Overflow

TOTOLINK X2000R TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327 contains a stack-based buffer overflow caused by improper handling in boa formMapDelDevice hostname functionality, letting authenticated attackers execute arbitrary code remotely, exploit requires authentication.

CVSS base score 9.1 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Published
20 October 2026
Updated
21 October 2026
Weakness
CWE-121

Vendor fix

Update to the latest version or a version that patches this vulnerability.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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