CVE-2013-2271

Exp

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.

Published: 2013-11-19 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-2271 is rated High Exploit Risk (75.9/100): CVSS High severity, with high exploitation likelihood (EPSS 35.29%, 97th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2013-2271

EDB-ID Source Kind Published Link
24563 exploit_db edb 2013-03-04 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-2271

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-10 38.69% 35.29% -3.40%
2 2025-11-01 32.45% 38.69% +6.24%
3 2025-10-07 — 32.45% —

Full EPSS history (24 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-2271

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.6 2.0 HIGH
AV:N/AC:H/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 4.9 10.0 [email protected]

Weakness enumeration for CVE-2013-2271

NVD evaluator notes for CVE-2013-2271

Comment: Advisory from D-Link says all versions of firmware for DSL-2740B are vulnerable per http://securityadvisories.dlink.com/security/publication.aspx?name=SAP10004

Affected software / configurations for CVE-2013-2271

Vendor Product Version Raw CPE
dlink dsl-2740b_firmware — cpe:2.3:o:dlink:dsl-2740b_firmware:-:*:*:*:*:*:*:*
dlink dsl-2740b — cpe:2.3:h:dlink:dsl-2740b:-:*:*:*:*:*:*:*

References for CVE-2013-2271

cvelogic Threat Intelligence