CVE-2017-9466 Weak cryptography in n/a

Critical 9.8 Published Updated

Weak DES encryption in TP-Link WR841N routers allows attackers to bypass access controls and modify system settings via LAN or Wi-Fi.

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-2017-9466?

CVE-2017-9466 is a critical vulnerability in n/a, published on 26 Jun 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The executable httpd on the TP-Link WR841N V8 router before TL-WR841N(UN)_V8_170210 contained a design flaw in the use of DES for block encryption. This resulted in incorrect access control, which allowed attackers to gain read-write access to system settings through the protected router configuration service tddp via the LAN and Ath0 (Wi-Fi) interfaces.

Weakness: CWE-327

Which versions are affected by CVE-2017-9466?

It affects 1 product.

Products include Tp-Link Wr841n V8 Firmware.

How do I fix CVE-2017-9466?

No fix has been published for CVE-2017-9466 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-9466 being exploited?

There is no known exploitation of CVE-2017-9466 in the wild and no public exploit code.

Sources

Also known as GHSA-5m39-qpvm-r38g.

Is CVE-2017-9466 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free