CVE-2026-7854: D-Link DI-8100 POST Parameter url_rule.asp url_rule_asp buffer overflow

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.9% 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 security vulnerability has been detected in D-Link DI-8100 16.07.26A1. Affected by this vulnerability is the function url_rule_asp of the file /url_rule.asp of the component POST Parameter Handler. Such manipulation leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.

Affected products

D-Link DI-8100: 16.07.26a1

References

https://github.com/draw-ctf/report/blob/main/DI-8100/url_rule_asp_overflow.md
https://vuldb.com/submit/807838
https://vuldb.com/vuln/361131
https://vuldb.com/vuln/361131/cti
https://www.dlink.com/

Get alerted when CVE-2026-7854 or the next vulnerability affects your stack