CVE-2022-26639 Memory corruption in n/a
A buffer overflow in the DNSServers parameter of TP-LINK TL-WR840N routers allows attackers to execute arbitrary code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-26639?
CVE-2022-26639 is a high-severity memory corruption vulnerability in n/a, published on 28 Mar 2022. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the DNSServers parameter.
Weakness: CWE-120
Which versions are affected by CVE-2022-26639?
It affects 1 product.
Products include Tp-Link Tl-Wr840n Firmware.
How do I fix CVE-2022-26639?
No fix has been published for CVE-2022-26639 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-2022-26639 being exploited?
There is no known exploitation of CVE-2022-26639 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-v457-62x9-vgw8.