CVE-2025-51281 Memory corruption in n/a
Authenticated attackers can cause a Denial of Service on D-Link DI-8100 routers by sending crafted GET requests with overly long parameters.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-51281?
CVE-2025-51281 is a high-severity memory corruption vulnerability in n/a, published on 25 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
D-Link DI-8100 16.07.26A1 is vulnerable to Buffer Overflow via the en`, `val and id parameters in the qj_asp function. This vulnerability allows authenticated attackers to cause a Denial of Service (DoS) by sending crafted GET requests with overly long values for these parameters.
Weakness: CWE-120
Which versions are affected by CVE-2025-51281?
It affects 1 product.
Products include Dlink Di-8100 Firmware.
How do I fix CVE-2025-51281?
No fix has been published for CVE-2025-51281 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-51281 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-51281 exists.
Other vulnerabilities in n/a
- CVE-2025-44083 Auth bypass in n/a
- CVE-2026-7853 D-Link DI-8100 HTTP auto_reboot.asp sprintf buffer overflow
- CVE-2026-7854 D-Link DI-8100 POST Parameter url_rule.asp url_rule_asp buffer overflow
- CVE-2026-7248 D-Link DI-8100 CGI Endpoint tgfile.htm tgfile_htm buffer overflow
- CVE-2026-7855 D-Link DI-8100 HTTP Request tggl.asp tggl_asp buffer overflow
Sources
Also known as GHSA-wx86-7gq4-q238.