CVE-2017-5257 : Vulnerability Insights and Analysis

CVE-2017-5257, assigned to Cambium Networks ePMP firmware versions 3.5 and earlier, exposes a vulnerability that allows attackers to execute XSS attacks through specific SNMP OIDs.

Understanding CVE-2017-5257

This CVE entry highlights a security flaw in Cambium Networks ePMP firmware versions 3.5 and prior, enabling the injection of malicious XSS strings.

What is CVE-2017-5257?

An attacker with knowledge of the SNMP read/write community string can exploit certain SNMP OIDs in Cambium Networks ePMP firmware versions 3.5 and earlier to insert and execute XSS strings within the user's context.

The Impact of CVE-2017-5257

The vulnerability in CVE-2017-5257 allows threat actors to perform XSS attacks, potentially compromising the confidentiality and integrity of user data.

Technical Details of CVE-2017-5257

This section delves into the specifics of the CVE-2017-5257 vulnerability.

Vulnerability Description

In Cambium Networks ePMP firmware versions 3.5 and earlier, the flaw permits the insertion of XSS strings via specific SNMP OIDs, leading to unauthorized code execution.

Affected Systems and Versions

Product: ePMP
Vendor: Cambium Networks
Versions Affected: 3.5 and prior

Exploitation Mechanism

The vulnerability arises from the improper handling of SNMP read/write community strings, allowing attackers to inject malicious XSS payloads through specific SNMP OIDs.

Mitigation and Prevention

Protecting systems from CVE-2017-5257 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update to the latest firmware version that addresses the vulnerability.
Restrict SNMP access and ensure strong community string configurations.

Long-Term Security Practices

Regularly monitor and audit SNMP activity on network devices.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Apply security patches provided by Cambium Networks promptly to mitigate the CVE-2017-5257 vulnerability.