Mercury MR804 Router 8.0 3.8.1 Build 101220 Rel.53006nB allows remote attackers to cause…
Priority LOW 37CWE-20Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.06558 93rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:mercurycom:mr804_firmware:3.8.1:*:*:*:*:*:*:* | 3.8.1 | Vulnerable | Mercurycom |
| cpe:2.3:h:mercurycom:mr804:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Mercurycom |
- cpe:2.3:o:mercurycom:mr804_firmware:3.8.1:*:*:*:*:*:*:* Versions 3.8.1 Vulnerable ·Mercurycom
- cpe:2.3:h:mercurycom:mr804:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Mercurycom
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2012-4999
- 2026-10-03 Alias added: GHSA-p5jq-469q-mxmf
References
Sources
- CVE-2012-4999 · CVE Program
- CVE-2012-4999 · NVD
- FIRST EPSS
- GHSA-p5jq-469q-mxmf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences