eev4n
Source-scoped identity with 2 associated PoCs and 2 linked vulnerabilities.
Exploit catalog results
Showing 2 PoCs on this page
GitHubeev4n/CVE-2026-53582
Repository PoCStars: 0Created 2026-06-16Not analyzedCVE-2026-535821 file
GitHubeev4n/tplink-osci
Repository PoCStars: 0Created 2026-04-19ExploitCVE-2023-335382 files
Analysis
Technical assessment
The artifact is a Python script (xp.py) that exploits CVE-2023-33538, a command injection vulnerability in TP-Link routers. It sends a crafted HTTP request to /userRpm/WlanNetworkRpm.htm with a malicious ssid1 parameter containing a shell command, or optionally sends a TDDP packet with the command injected into the SSID field.
Backdoor review
No backdoor observed in reviewed code
The repository contains a single Python script (xp.py) that implements a proof-of-concept exploit for CVE-2023-33538, a command injection vulnerability in TP-Link routers. The script sends a crafted payload to the vulnerable endpoint /userRpm/WlanNetworkRpm or via TDDP, executing a user-supplied command. No backdoor, deceptive payload, or concealed operator-directed harm is present. The README.md contains only an image link with no executable content.
Classification basis and observed behavior
Classification basis
The script actively sends a malicious payload designed to execute arbitrary commands on the target device, which constitutes exploitation rather than mere detection or scanning.
xp.py:19-20xp.py:49-50xp.py:52-56Requirements
- Target must be a vulnerable TP-Link router model (TL-WR940N V2/V4, TL-WR841N V8/V10, TL-WR740N V1/V2) with the /userRpm/WlanNetworkRpm endpoint accessible.
xp.py:1-66 - Attacker must provide valid HTTP Basic Authentication credentials (default admin:admin).
xp.py:12-13xp.py:48xp.py:55
Observed behavior
- Constructs a command injection payload by replacing spaces with ${IFS} and embedding the command in the ssid1 parameter.
xp.py:19-20xp.py:49-50 - Sends an HTTP GET request to /userRpm/WlanNetworkRpm.htm with the malicious ssid1 parameter and Basic auth cookie.
xp.py:52-56 - Optionally sends a crafted TDDP UDP packet to port 1040 with the command injected into the SSID field.
xp.py:25-36
Behaviors behind the backdoor verdict
Observables
- Exploit Behavior
- Payload withheldThis is the expected behavior for a PoC exploit targeting CVE-2023-33538. The command is user-supplied and not hardcoded to perform malicious actions.
xp.py:19-20xp.py:29-30xp.py:49-52 - User Controlled Command
- Payload withheldThe script does not contain any hardcoded malicious command; the operator controls what is executed on the target.
xp.py:14xp.py:19-20 - Authentication Handling
- Payload withheldThis is standard for accessing the router's web interface and does not indicate credential theft or exfiltration.
xp.py:48xp.py:55
What the analysis did not establish
- The README.md contains an external image link (https://o.uguu.se/zJMxTaaq.jpg) which was not fetched or analyzed; its content is unknown but is not executable code within the repository.
This review is limited to the supplied PoC code and context. It does not assert that the code works or is safe to execute.