CVE-2025-63729: Sensitive Data in Logs
Source CVE Database V5
Not known to be exploited · CVSS 9.0 Critical.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.09% chance of exploitation in 30 days – higher than 0% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 25 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
- Immediate network segmentation to isolate Syrotech SY-GPON-1110-WDONT devices from sensitive network segments and limit access to management interfaces.
- Implement strict access controls and monitoring on device management ports and protocols to detect unauthorized access attempts.
- Conduct thorough inventory and assessment to identify all deployed devices running the vulnerable firmware version.
- Engage with Syrotech or authorized vendors to obtain firmware updates or patches addressing this vulnerability as soon as they become available.
- If firmware updates are not immediately available, consider temporary mitigations such as disabling remote management or restricting it to trusted IP addresses.
- Employ network intrusion detection systems (NIDS) to monitor for anomalous traffic patterns indicative of exploitation attempts.
- Regularly audit device configurations and logs for signs of compromise.
- Educate operational teams about the vulnerability and ensure incident response plans include scenarios involving compromised cryptographic materials.
- Explore cryptographic key rotation policies and certificate revocation procedures to limit the impact if keys are compromised.
- Collaborate with upstream ISPs and vendors to share threat intelligence and coordinate response efforts.
Description
An issue was discovered in Syrotech SY-GPON-1110-WDONT SYRO_3.7L_3.1.02-240517 allowing attackers to exctract the SSL Private Key, CA Certificate, SSL Certificate, and Client Certificates in .pem format in firmware in etc folder.