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. The catalogue records confirmed public exploitation. Absence from it does not establish 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.