CVE-2025-9497 Hardcoded Upgrade Decryption Passwords
Hardcoded decryption passwords in Microchip Time Provider 4100 allow attackers to perform malicious manual software updates, potentially leading to code execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-9497?
CVE-2025-9497 is a medium-severity vulnerability in Microchip Time Provider 4100, published on 28 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Use of Hard-coded Credentials vulnerability in Microchip Time Provider 4100 allows Malicious Manual Software Update.This issue affects Time Provider 4100: before 2.5.0.
Weakness: CWE-798
Which versions are affected by CVE-2025-9497?
It affects 1 product.
Products include Microchip Timeprovider 4100 Firmware.
How do I fix CVE-2025-9497?
No fix has been published for CVE-2025-9497 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-9497 being exploited?
There is no known exploitation of CVE-2025-9497 in the wild and no public exploit code.
Other vulnerabilities in Microchip Time Provider 4100
- CVE-2025-47900 RCE on backup configuration password
- CVE-2025-47901 RCE on restore configuration password
- CVE-2024-43683 Improper verification of the Host header in TimeProvider 4100
- CVE-2024-43684 Cross-Site Request Forgery vulnerability in TimeProvider 4100
- CVE-2024-43685 Session token fixation in TimeProvider 4100
Sources
Also known as GHSA-gv5m-4fg8-r764.