CVE-2014-7857

9.8 CRITICAL 15% exploit odds No fix listed Auth & access Network gear

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 15.2% chance of exploitation in the next 30 days (EPSS). Higher than most.
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2014-10-03 00:00 UTC ReservedThe CVE id was reserved by its CNA
2017-08-25 18:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 00:15 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 15.2% in the next 30 days (EPSS).
Severity: 9.8 CRITICAL (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2017-08-25 18:29 UTC
Last modified: 2026-06-17 00:15 UTC
Exploit probability: 15.2% · EPSS, next 30 days
Weakness: CWE-287 · Improper authentication
Record status: Modified

Affected

D-Link dns-322l Firmware ≤ 2.00b07
D-Link dns-325 Firmware ≤ 1.05b03
D-Link dns-345 Firmware ≤ 1.03b06
D-Link dns-320b Firmware ≤ 1.02b01
D-Link dnr-326 Firmware ≤ 1.40b03
D-Link dns-327l Firmware ≤ 1.02
D-Link dns-320l Firmware ≤ 1.03b04

Attack profile CVSS 3.0 · 9.8

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Is it in your code?

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References

NVD record · CVE.org record