CVE-2021-46122 Memory corruption in n/a
A buffer overflow in the password reset feature of TP-Link TL-WR840N routers allows attackers to execute arbitrary code or escalate privileges.
- 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-2021-46122?
CVE-2021-46122 is a high-severity memory corruption vulnerability in n/a, published on 18 Apr 2022. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Tp-Link TL-WR840N (EU) v6.20 Firmware (0.9.1 4.17 v0001.0 Build 201124 Rel.64328n) is vulnerable to Buffer Overflow via the Password reset feature.
Weakness: CWE-120
Which versions are affected by CVE-2021-46122?
It affects 1 product.
Products include Tp-Link Tl-Wr840n Firmware.
How do I fix CVE-2021-46122?
No fix has been published for CVE-2021-46122 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-2021-46122 being exploited?
There is no known exploitation of CVE-2021-46122 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-8p6h-x22r-w926.