CVE-2021-20165 Cross-site request forgery in Trendnet AC2600 TEW-827DRU
Attackers can bypass CSRF protections on Trendnet AC2600 routers to perform unauthorized actions on behalf of authenticated users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-20165?
CVE-2021-20165 is a high-severity vulnerability in Trendnet AC2600 TEW-827DRU, published on 30 Dec 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Trendnet AC2600 TEW-827DRU version 2.08B01 does not properly implement csrf protections. Most pages lack proper usage of CSRF protections or mitigations. Additionally, pages that do make use of CSRF tokens are trivially bypassable as the server does not appear to validate them properly (i.e. re-using an old token or finding the token thru some other method is possible).
Weakness: CWE-352
Which versions are affected by CVE-2021-20165?
It affects 1 product.
Products include Trendnet Tew-827dru Firmware.
How do I fix CVE-2021-20165?
No fix has been published for CVE-2021-20165 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-20165 being exploited?
There is no known exploitation of CVE-2021-20165 in the wild and no public exploit code.
Other vulnerabilities in Trendnet AC2600 TEW-827DRU
Sources
Also known as GHSA-2fwv-796r-67vv.