EUVD-2026-64008

A stack-based out-of-bounds write vulnerability exists in the login request handling functionality of the administrative web interface of TP-Link TL-MR6400 v7 routers. An unauthenticated adjacent attacker can trigger the vulnerability by sending a specially crafted malformed HTTP request...

CVE-2026-17252 Unauthenticated Denial of Service via Composed HTTP Parsing and Stack-Based Out-of-Bounds Write Vulnerability in TL-MR6400 Web Management Interface

A stack-based out-of-bounds write vulnerability exists in the login request handling functionality of the administrative web interface of TP-Link TL-MR6400 v7 routers. An unauthenticated adjacent attacker can trigger the vulnerability by sending a specially crafted malformed HTTP request...

CVE-2026-17252

A stack-based out-of-bounds write vulnerability exists in the login request handling of the administrative web interface on TP-Link TL-MR6400 v7 routers. An unauthenticated adjacent attacker can trigger the flaw by sending a specially crafted malformed HTTP request, causing the web service proces...

CVE-2026-17251 Unauthenticated Denial of Service via Null Pointer Dereference in HTTP Request Parsing

A NULL pointer dereference vulnerability exists in the HTTP request parsing functionality of TL-MR6400 v7. An unauthenticated remote attacker can trigger the vulnerability by sending a specially crafted HTTP request containing a malformed session cookie header. Successful exploitation may cause...

CVE-2026-17251

A NULL pointer dereference vulnerability exists in the HTTP request parsing functionality of the TP-Link TL-MR6400 v7 router. An unauthenticated attacker on the adjacent network can trigger the flaw by sending a crafted HTTP request containing a malformed session cookie header , causing the HTTP ...

EUVD-2026-64007

A NULL pointer dereference vulnerability exists in the HTTP request parsing functionality of TL-MR6400 v7. An unauthenticated remote attacker can trigger the vulnerability by sending a specially crafted HTTP request containing a malformed session cookie header. Successful exploitation may cause...

CVE-2026-17250 Authenticated Remote Code Execution via Stack-Based Buffer Overflow in Firmware Update Handling

A stack-based buffer overflow vulnerability exists in the firmware update functionality of TL-MR6400 v7 due to unsafe processing of attacker-controlled metadata within a firmware image. Successful exploitation may allow an authenticated attacker to trigger memory corruption and execute arbitrary...

CVE-2026-17250

A stack-based buffer overflow in the firmware update functionality of the TP-Link TL-MR6400 v7 router allows an authenticated attacker to trigger memory corruption and execute arbitrary code by supplying a crafted firmware image with malicious metadata. The vulnerability is scored CVSS 4.0: 8.5 (...

EUVD-2026-64006

A stack-based buffer overflow vulnerability exists in the firmware update functionality of TL-MR6400 v7 due to unsafe processing of attacker-controlled metadata within a firmware image. Successful exploitation may allow an authenticated attacker to trigger memory corruption and execute arbitrary...

CVE-2026-3841

A command injection vulnerability has been identified in the Telnet command-line interface CLI of TP-Link TL-MR6400 v5.3. This issue is caused by insufficient sanitization of data processed during specific CLI operations. An authenticated attacker with elevated privileges may be able to execute...

EUVD-2026-11655

A command injection vulnerability has been identified in the Telnet command-line interface CLI of TP-Link TL-MR6400 v5.3. This issue is caused by insufficient sanitization of data processed during specific CLI operations. An authenticated attacker with elevated privileges may be able to execute...

CVE-2026-3841

A command injection vulnerability has been identified in the Telnet command-line interface CLI of TP-Link TL-MR6400 v5.3. This issue is caused by insufficient sanitization of data processed during specific CLI operations. An authenticated attacker with elevated privileges may be able to execute...

CVE-2026-3841 Command Injection Vulnerability in Telnet CLI on TP-Link TL-MR6400

A command injection vulnerability has been identified in the Telnet command-line interface CLI of TP-Link TL-MR6400 v5.3. This issue is caused by insufficient sanitization of data processed during specific CLI operations. An authenticated attacker with elevated privileges may be able to execute...

CVE-2026-3841

A command injection vulnerability has been identified in the Telnet command-line interface CLI of TP-Link TL-MR6400 v5.3. This issue is caused by insufficient sanitization of data processed during specific CLI operations. An authenticated attacker with elevated privileges may be able to execute...

CVE-2026-3841 Command Injection Vulnerability in Telnet CLI on TP-Link TL-MR6400

A command injection vulnerability has been identified in the Telnet command-line interface CLI of TP-Link TL-MR6400 v5.3. This issue is caused by insufficient sanitization of data processed during specific CLI operations. An authenticated attacker with elevated privileges may be able to execute...

CVE-2026-3841

CVE-2026-3841 describes a command-injection vulnerability in the Telnet CLI of TP-Link TL-MR6400 (v5.3). The issue arises from insufficient sanitization of data during specific CLI operations. An authenticated attacker with elevated privileges can execute arbitrary system commands, potentially co...

PT-2026-25022

Name of the Vulnerable Software and Affected Versions TP-Link TL-MR6400 version 5.3 Description A command injection issue exists in the Telnet command-line interface CLI of the device. This is due to inadequate data sanitization during certain CLI operations. An authenticated attacker with elevat...