CVE-2018-20512
EPON CPE-WiFi devices 2.0.4-X000 are vulnerable to escalation of privileges by sending cooLogin=1, cooUser=admin, and timestamp=-1 cookies.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.77%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
EPON CPE-WiFi devices 2.0.4-X000 are vulnerable to escalation of privileges by sending cooLogin=1, cooUser=admin, and timestamp=-1 cookies.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.77% probability · 78th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-565
- Affected
- cdatatec/epon cpe-wifi devices firmware
- Source
- cve@mitre.org
EPSS 1.8% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://www.reddit.com/r/networking/comments/abu4kq/vulnerability_in_cdata_technologies_epon_cpewifi/Exploit, Third Party Advisory
- https://www.reddit.com/r/networking/comments/abu4kq/vulnerability_in_cdata_technologies_epon_cpewifi/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.