VulnerabilityDeferred

CVE-2025-66635

Stack-based buffer overflow vulnerability exists in SEIKO EPSON Web Config.

HIGH 8.6EPSS 0.53%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.53%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Stack-based buffer overflow vulnerability exists in SEIKO EPSON Web Config. Specially crafted data input by a logged-in user may execute arbitrary code. As for the details of the affected products and versions, see the information provided by the vendor under [References].

CVSS 4.0: 8.6 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.53% probability · 43th percentile
CISA KEV: Not listed
Weakness: CWE-121
Source: vultures@jpcert.or.jp

References

https://epson.com/Support/wa00971
https://jvn.jp/en/jp/JVN51846148/
https://www.epson.jp/support/misc_t/251216_oshirase.htm

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.