CVE-2014-7857
D-Link
- Published
- 25 August 2017
- Last modified
- 17 June 2026
- CVSS
- 9.8 v3.0
- Severity
- critical
- EPSS
- 15.2% (97th pct)
- CISA KEV
- Not listed
- NVD status
- Modified
- Weaknesses
- CWE-287
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalogue as of 2026.09.04. That is an absence of confirmed public exploitation, not evidence that exploitation has not occurred. EPSS models a 15.2% probability of exploitation activity in the next 30 days, placing it in the top decile of all scored CVEs.
Affected products
| Product | Vendor | Type | Versions named |
|---|---|---|---|
| DNR-326 | D-Link | unknown | <= 1.40b03, <= 2026-02-05 |
References
- http://packetstormsecurity.com/files/132075/D-Link-Bypass-Buffer-Overflow.html third-party
- http://seclists.org/fulldisclosure/2015/May/125 third-party
- http://www.search-lab.hu/media/D-Link_Security_advisory_3_0_public.pdf
- http://www.securityfocus.com/archive/1/535626/100/200/threaded
- http://www.securityfocus.com/bid/74880 third-party
- http://packetstormsecurity.com/files/132075/D-Link-Bypass-Buffer-Overflow.html third-party
- http://seclists.org/fulldisclosure/2015/May/125 third-party
- http://www.search-lab.hu/media/D-Link_Security_advisory_3_0_public.pdf
- http://www.securityfocus.com/archive/1/535626/100/200/threaded
- http://www.securityfocus.com/bid/74880 third-party
Record assembled from NVD, CISA KEV 2026.09.04 and FIRST EPSS 2026-09-04. Affected products are those NVD's CPE configuration names that fall inside this site's scope; a CVE may affect products outside it.