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2024-12-18
Reolink, a popular surveillance camera manufacturer, has released a security advisory addressing a critical vulnerability affecting several of its device models. This vulnerability, if exploited, could allow an authenticated attacker to execute arbitrary code on the affected devices with root privileges.
Vulnerability Details
The vulnerability, tracked as CVE-2023-40117, resides in the “TestEmail” functionality of the following Reolink devices:
RLC-410W
C1 Pro
C2 Pro
RLC-422W
RLC-511W
Through versions 1.0.227 and earlier, an authenticated admin can leverage the “addr1” field within the “TestEmail” function to inject and execute arbitrary OS commands as root. This is achieved by exploiting the vulnerability’s susceptibility to shell metacharacters.
Remediation
Reolink has released firmware updates to address this vulnerability. Users are strongly advised to update their devices to the latest firmware version as soon as possible.
What Undercode Says:
This vulnerability highlights a significant security risk for Reolink device owners. Successful exploitation could compromise the security of the affected devices, potentially leading to data breaches, unauthorized access, and other malicious activities.
It is crucial to note that this vulnerability requires authentication as an admin. However, in many home and small business setups, the default admin credentials are often left unchanged, making it easier for attackers to exploit the vulnerability.
To mitigate the risk, users should:
1. Update Firmware: As mentioned earlier, updating to the latest firmware version is essential. This will patch the vulnerability and prevent potential attacks.
2. Change Default Credentials: It is strongly recommended to change the default admin password to a strong, unique password. Avoid using easily guessable passwords.
3. Enable Two-Factor Authentication (2FA): If available, enabling 2FA adds an extra layer of security by requiring a second verification step.
4. Keep Devices Updated: Regularly check for and install security updates for all connected devices, including routers and network equipment.
5. Use Strong, Unique Passwords: Employ strong, unique passwords for all online accounts, including those associated with your surveillance cameras.
6. Be Cautious of Phishing Attacks: Be wary of phishing emails or messages that may attempt to trick you into revealing sensitive information or downloading malicious software.
By following these best practices, users can significantly reduce the risk of exploitation and protect their devices from potential attacks.
References:
Reported By: Cve.org
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