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CVE-2012-4999

Published: Sep 19, 2012Updated: Apr 29, 2026 Sources: CVE List NVDCWE-20
NVD MITRE
6.1CVSSMEDIUM
EPSS Score
6.6%
Top 7.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Mercury MR804 Router 8.0 3.8.1 Build 101220 Rel.53006nB allows remote attackers to cause a denial of service (service hang) via a crafted string in HTTP header fields such as (1) If-Modified-Since, (2) If-None-Match, or (3) If-Unmodified-Since. NOTE: some of these details are obtained from third party information.

CVSS Vector Breakdown

AV:AAC:LAu:NC:NI:NA:C
Exploitability
AV:AAccess Vector
Adjacent Network
AC:LAccess Complexity
Low
Au:NAuthentication
None
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:CAvailability
Complete
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Weaknesses

CWE-20

Affected Products

n/an/a
mr804 firmwaremercurycom
Embedded
Networking Infrastructure / router-switch
mr804mercurycom
Embedded
Networking Infrastructure / router-switch
mercurycomcommercialNetworking Infrastructureaka mipc252w firmware, d196g firmware, mr816 firmware

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

http://secunia.com/advisories/48079
secunia.com
https://exchange.xforce.ibmcloud.com/vulnerabilities/73383
exchange.xforce.ibmcloud.com
http://archives.neohapsis.com/archives/bugtraq/2012-02/0116.html
archives.neohapsis.com
and 1 more references View all →

Timeline

Published
Sep 19, 2012
Last Updated
Apr 29, 2026

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