CVE-2014-7857 Auth bypass in n/a

Critical 9.8 Published 25 Aug 2017 Updated 6 Aug 2024

Remote attackers can bypass authentication and gain administrator access on D-Link NAS devices by manipulating specific CGI parameters and cookies.

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-2014-7857?

CVE-2014-7857 is a critical authentication bypass vulnerability in n/a, published on 25 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

D-Link DNS-320L firmware before 1.04b12, DNS-327L before 1.03b04 Build0119, DNR-326 1.40b03, DNS-320B 1.02b01, DNS-345 1.03b06, DNS-325 1.05b03, and DNS-322L 2.00b07 allow remote attackers to bypass authentication and log in with administrator permissions by passing the cgi_set_wto command in the cmd parameter, and setting the spawned session's cookie to username=admin.

Weakness: CWE-287

Which versions are affected by CVE-2014-7857?

It affects 7 products.

Products include D-Link Dnr-326 Firmware, D-Link Dns-320b Firmware, D-Link Dns-320l Firmware, D-Link Dns-322l Firmware, D-Link Dns-325 Firmware, D-Link Dns-327l Firmware and 1 more.

How do I fix CVE-2014-7857?

No fix has been published for CVE-2014-7857 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-2014-7857 being exploited?

There is no known exploitation of CVE-2014-7857 in the wild and no public exploit code.

CVE-2014-7858 Auth bypass in n/a Critical 9.8

Sources

Also known as GHSA-586h-8q3m-f5hh.