CVE-2026-7853: D-Link DI-8100 HTTP auto_reboot.asp sprintf buffer overflow

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-05-05 · updated 2026-07-24
Weakness: CWE-119

Description

A weakness has been identified in D-Link DI-8100 16.07.26A1. Affected is the function sprintf of the file /auto_reboot.asp of the component HTTP Handler. This manipulation of the argument enable/time causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.

Affected products

D-Link DI-8100: 16.07.26a1

References

https://github.com/draw-ctf/report/blob/main/DI-8100/auto_reboot_asp_overflow.md
https://vuldb.com/submit/807837
https://vuldb.com/vuln/361130
https://vuldb.com/vuln/361130/cti
https://www.dlink.com/

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