CVE-2025-5622 D-Link DIR-816 wirelessApcli_5g stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the wireless configuration interface of unsupported D-Link DIR-816 routers to execute arbitrary code.
- 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-2025-5622?
CVE-2025-5622 is a critical memory corruption vulnerability in Dlink Dir-816 Firmware, published on 5 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was found in D-Link DIR-816 1.10CNB05 and classified as critical. Affected by this issue is the function wirelessApcli_5g of the file /goform/wirelessApcli_5g. The manipulation of the argument apcli_mode_5g/apcli_enc_5g/apcli_default_key_5g leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
Which versions are affected by CVE-2025-5622?
It affects 1 product.
Products include Dlink Dir-816 Firmware.
How do I fix CVE-2025-5622?
No fix has been published for CVE-2025-5622 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-2025-5622 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5622 exists.
Other vulnerabilities in Dlink Dir-816 Firmware
Sources
Also known as GHSA-h882-r4xj-2hcq.