CVE-2012-4999 EXPLOIT
6.1
MEDIUM · CVSS 2.0 · EPSS 6.6% (pctl 94)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 6.1 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:A/AC:L/Au:N/C:N/I:N/A:C |
| EPSS | 6.56% — more likely to be exploited than 94% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2012-09-19 |
| Last modified | 2026-06-16 |
Affected (2)
| Vendor | Product |
|---|---|
| mercurycom | mr804 |
| mercurycom | mr804 firmware |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Mercury MR804 Router - Multiple HTTP Header Fields Denial of Service Vulnerabilities | 2012-02-21 |
References
- http://archives.neohapsis.com/archives/bugtraq/2012-02/0116.html
- http://secunia.com/advisories/48079
- http://www.securityfocus.com/bid/52106
- https://exchange.xforce.ibmcloud.com/vulnerabilities/73383
- http://archives.neohapsis.com/archives/bugtraq/2012-02/0116.html
- http://secunia.com/advisories/48079
- http://www.securityfocus.com/bid/52106
- https://exchange.xforce.ibmcloud.com/vulnerabilities/73383
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