CVE-2024-42658
Published: 19 August 2024
Summary
CVE-2024-42658 is a critical-severity Exposure of Sensitive Information to an Unauthorized Actor (CWE-200) vulnerability in Nepstech Ntpl-Xpon1Gfevn Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 5.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2024-42658 is an information disclosure vulnerability affecting the wishnet Nepstech Wifi Router NTPL-XPON1GFEVN running firmware version 1.0. The flaw resides in the handling of cookie parameters and is tracked under CWE-200, enabling exposure of sensitive data without requiring authentication. It carries a CVSS 3.1 base score of 9.8, reflecting network-accessible attack vectors with low complexity and impacts across confidentiality, integrity, and availability.
A remote attacker can exploit the issue over the network by supplying crafted cookie values to retrieve sensitive information from the device. Because the vulnerability requires no privileges or user interaction, an unauthenticated adversary could leverage it to compromise router configuration details or credentials, potentially leading to further device takeover.
The associated EPSS score has remained at 0.1439 since disclosure, indicating moderate and stable exploitation interest. Public references consist of a GitHub repository and researcher profiles that document the finding but do not include vendor patches or mitigation guidance.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-39739
Vulnerability details
An issue in wishnet Nepstech Wifi Router NTPL-XPON1GFEVN v1.0 allows a remote attacker to obtain sensitive information via the cookie's parameter
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The vulnerability in the router's web management interface enables exploitation of a public-facing application (T1190), stealing web session cookies containing sensitive information like session identifiers (T1539), and forging web credentials using insecure cookies for unauthorized access (T1606.001).
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Automated marking applies security attributes to system outputs, making it harder for attackers to exploit unmarked sensitive information leading to unauthorized exposure.
Proper attribute retention and permitted-value enforcement limits unauthorized actors from accessing sensitive information lacking correct labels.
Prevents unauthorized exposure of sensitive information by prohibiting untrusted external systems from processing or storing it.
By enforcing authorization matching prior to sharing, the control reduces the risk of exposing sensitive information to unauthorized actors.
Review and removal of nonpublic information from publicly accessible systems directly prevents exposure of sensitive data to unauthorized actors.
Data mining protection mechanisms detect and block unauthorized bulk extraction of sensitive data, directly mitigating exposure to unauthorized actors.
Literacy training teaches users to recognize and avoid actions that result in unauthorized exposure of sensitive information.
Retaining and monitoring training records confirms personnel have completed privacy and security awareness training on handling sensitive data, reducing the chance of unauthorized exposure due to lack of knowledge.