CVE-2022-28956 Auth bypass in n/a
Attackers can bypass authentication and access the D-Link DIR-816L router via a crafted payload in getcfg.php.
- 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-2022-28956?
CVE-2022-28956 is a critical authentication bypass vulnerability in n/a, published on 18 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue in the getcfg.php component of D-Link DIR816L_FW206b01 allows attackers to access the device via a crafted payload.
Which versions are affected by CVE-2022-28956?
It affects 1 product.
Products include Dlink Dir-816l Firmware.
How do I fix CVE-2022-28956?
No fix has been published for CVE-2022-28956 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2022-28956 being exploited?
There is no known exploitation of CVE-2022-28956 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2020-15893 Command injection in n/a
- CVE-2025-13188 D-Link DIR-816L authentication.cgi authenticationcgi_main stack-based overflow
- CVE-2025-13189 D-Link DIR-816L gena.cgi genacgi_main stack-based overflow
- CVE-2025-13190 D-Link DIR-816L __ajax_exporer.sgi scandir_main stack-based overflow
- CVE-2025-13191 D-Link DIR-816L soap.cgi soapcgi_main stack-based overflow
Sources
Also known as GHSA-vxg4-4c48-6gwj.