CVE-2025-34049

Public Exploit
OptiLink ONT1GEW GPON Remote Code Execution

Description

An OS command injection vulnerability exists in the OptiLink ONT1GEW GPON router firmware version V2.1.11_X101 Build 1127.190306 and earlier. The router’s web management interface fails to properly sanitize user input in the target_addr parameter of the formTracert and formPing administrative endpoints. An authenticated attacker can inject arbitrary operating system commands, which are executed with root privileges, leading to remote code execution. Successful exploitation enables full compromise of the device.

Category

9.4
CVSS
Severity: Critical
CVSS 4.0 •
EPSS 0.50%
Third-Party Advisory vulncheck.com
Affected: OptiLink ONT1GEW GPON
Published at:
Updated at:

References

Link Tags
https://www.exploit-db.com/exploits/49955 exploit
https://optilinknetwork.com/ product
https://vulncheck.com/advisories/optilink-ont1gew-router-rce third party advisory

Frequently Asked Questions

What is the severity of CVE-2025-34049?
CVE-2025-34049 has been scored as a critical severity vulnerability.
How to fix CVE-2025-34049?
To fix CVE-2025-34049, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-34049 being actively exploited in the wild?
It is possible that CVE-2025-34049 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-34049?
CVE-2025-34049 affects OptiLink ONT1GEW GPON.
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