01 Record
CVE-2025-62774
On Mercku M6a devices through 2.1.0, the authentication system uses predictable session tokens based on timestamps.
LowPUBLISHEDCNA: mitre
CNA base score3.1 CVSS v3.xCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
02 Description
On Mercku M6a devices through 2.1.0, the authentication system uses predictable session tokens based on timestamps.
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.18% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 7.9% of scored records. A rank, not a probability.
- NVD base score
- 3.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-08.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2025-10-22 00:00Z1 YR AGO
- Last updated
- 2025-10-22 15:48Z1 YR AGO
- Reserved
- 2025-10-22
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Low (CVSS 3.1)
- CNA CVSS vector
- CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-331Insufficient EntropyBase
- Data version
- 5.1
- Document digest
- 774389a1922ec2f3232eebead254ca9239c9e11dc1fe6c31bef7db48c66f8653
05 Affected products
VendorProductVersionsPlatforms
06 References
- seclists.orghttps://seclists.org/fulldisclosure/2025/Oct/10
- blog.nullvoid.mehttps://blog.nullvoid.me/posts/mercku-exploits/