CVE-2012-2440 — The default configuration of the TP-Link 8840T router enables web-based administration on the WAN interface, which allows remote attackers to establish an HTTP connection and possibly have unspecified other impact via unknown vectors

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HIGH

The default configuration of the TP-Link 8840T router enables web-based administration on the WAN interface, which allows remote attackers to establish an HTTP connection and possibly have unspecified other impact via unknown vectors

Published Apr 28, 2012

7.5

HIGH

CVSS 2.0

EPSS 1.43%

Description

The default configuration of the TP-Link 8840T router enables web-based administration on the WAN interface, which allows remote attackers to establish an HTTP connection and possibly have unspecified other impact via unknown vectors.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.43% 0.01426

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01426

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (11 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.43% (0.01426)	71.99th	v5 (v2026.06.15)
Jun 15, 2026	1.44% (0.01443)	69.69th	v5 (v2026.06.15)
Mar 17, 2025	0.44% (0.00441)	61.08th	v4 (v2025.03.14)
Dec 12, 2024	0.55% (0.00551)	78.27th	v3 (v2023.03.01)
Feb 8, 2024	0.55% (0.00551)	76.81th	v3 (v2023.03.01)
Mar 18, 2023	0.55% (0.00551)	74.02th	v3 (v2023.03.01)
Mar 7, 2023	0.58% (0.00584)	74.81th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Sep 17, 2022	1.05% (0.01055)	50.47th	v2 (v2022.01.01)
Apr 1, 2022	1.05% (0.01055)	48.43th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)

Weaknesses (1)

CWE-264

References (2)

http://www.kb.cert.org/vuls/id/834723
third-party-advisoryx_refsource_CERT-VNUS Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/74624
vdb-entryx_refsource_XF

Link	Providers	Tags
http://www.kb.cert.org/vuls/id/834723		third-party-advisoryx_refsource_CERT-VNUS Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/74624		vdb-entryx_refsource_XF

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Apr 28, 2012

Updated Aug 6, 2024

Reserved Apr 27, 2012

Link CVE-2012-2440

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2012-2440

Red Hat

Severity n/a

Public date n/a

Links CVE-2012-2440