CVE-2026-73542 Weak cryptography in Multiple SEIKO EPSON printers and scanners
Attackers can intercept communication data from Epson printers and scanners via man-in-the-middle attacks due to revoked root certificates.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-73542?
CVE-2026-73542 is a medium-severity vulnerability in Multiple SEIKO EPSON printers and scanners, published on 20 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Multiple SEIKO EPSON printers and scanners contain revoked root certificates. A man-in-the-middle attack may allow an attacker to obtain communication data transmitted by the product. As for the details of the affected products and versions, refer to the vendor's information.
Weakness: CWE-296
Which versions are affected by CVE-2026-73542?
How do I fix CVE-2026-73542?
No fix has been published for CVE-2026-73542 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-73542 being exploited?
There is no known exploitation of CVE-2026-73542 in the wild and no public exploit code.
Sources
Also known as GHSA-mw8v-5vg6-vwx7.