CVE-2013-2271
The D-Link DSL-2740B Gateway with firmware EU_1.0, when an active administrator session exists,...
The D-Link DSL-2740B Gateway with firmware EU_1.0, when an active administrator session exists, allows remote attackers to bypass authentication and gain administrator access via a request to login.cgi.
Exploit likelihood
What each source reports
NVD Score used
7.6
The D-Link DSL-2740B Gateway with firmware EU_1.0, when an active administrator session exists, allows remote attackers to bypass authentication and gain administrator access via a request to login.cgi.
- Record
CVE-2013-2271- CVSS 2.0
- 7.6 High
AV:N/AC:H/Au:N/C:C/I:C/A:C - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
The D-Link DSL-2740B Gateway with firmware EU_1.0, when an active administrator session exists, allows remote attackers to bypass authentication and gain administrator access via a request to login.cgi.
- Record
CVE-2013-2271- Updated
- 2026-11-02
EUVDEUVD-2013-2217 No score
The D-Link DSL-2740B Gateway with firmware EU_1.0, when an active administrator session exists, allows remote attackers to bypass authentication and gain administrator access via a request to login.cgi.
- Record
EUVD-2013-2217- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hvv6-ggwg-3qq9 No score
The D-Link DSL-2740B Gateway with firmware EU_1.0, when an active administrator session exists,...
The D-Link DSL-2740B Gateway with firmware EU_1.0, when an active administrator session exists, allows remote attackers to bypass authentication and gain administrator access via a request to login.cgi.
- Record
GHSA-hvv6-ggwg-3qq9- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | D-Link DSL-2740B ADSL Router - Authentication Bypass | 2013-03-04 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-2271 is a high vulnerability (CVSS 7.6) in Dlink Dsl-2740b, published November 15, 2013. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 4.71%, the 91st percentile. No source names a fixed version.
References
securityadvisories.dlink.com/security/publication.aspx?name=SAP10004
packetstormsecurity.com/files/120613/dlinkdsl2740b-bypass.txt
webapp-security.com/2013/03/d-link-dsl-2740b-adsl-router-authentication-bypass
webapp-security.com/wp-content/uploads/2013/03/D-Link-DSL-2740B-ADSL-Router-Authentication-Bypass2.txt
nvd.nist.gov/vuln/detail/CVE-2013-2271
github.com/advisories/GHSA-hvv6-ggwg-3qq9