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CVE-2012-4999
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…
Medium6.1EPSS 6.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.1 | AV:A/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 6.6% · top 6.2% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Weakness
Affected products
n/a
- affected n/a
References (4)
- 48079 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- mercury-mr804-header-dos(73383) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 20120221 Mercurycom MR804 Router - Multiple HTTP Header Fields Denial Of Service Vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 52106 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2012-4999)Record last updated .