This page lists publicly disclosed CVE vulnerabilities affecting tp-link tl-wr940n_firmware (linked via NVD CPE). Each row includes severity scores, summaries, and publication dates to help identify and analyze security issues.
| CVE | Summary | Source | Max CVSS | EPSS % | Published | Updated |
|---|---|---|---|---|---|---|
| CVE-2026-11410 | An authenticated OS command injection vulnerability exists in the BigPond Cable (BPA) WAN configuration module in TL-WR940N v6 due to improper sanitization of user input. An attacker with administrative access may exploit this issue to execute arbitrary system commands with elevated privileges. | f23511db-6c3e-4e32-a477-6aa17d310630 | 8.5 | 2.79% | 2026-06-17 | 2026-06-18 |
| CVE-2026-11409 | An authenticated OS command injection vulnerability exists in the IPv6 PPPoE configuration handler in TL-WR940N v6 due to improper sanitization of user input. An attacker with administrative access may exploit this issue to execute arbitrary system commands with elevated privileges. | f23511db-6c3e-4e32-a477-6aa17d310630 | 8.5 | 2.79% | 2026-06-17 | 2026-06-18 |
| CVE-2025-6151 | A vulnerability has been found in TP-Link TL-WR940N V4 and TL-WR841N V11. Affected by this issue is some unknown functionality of the file /userRpm/WanSlaacCfgRpm.htm, which may lead to buffer overflow. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer. | f23511db-6c3e-4e32-a477-6aa17d310630 | 8.2 | 3.07% | 2025-06-16 | 2026-06-17 |
| CVE-2024-54887 | TP-Link TL-WR940N V3 and V4 with firmware 3.16.9 and earlier contain a buffer overflow via the dnsserver1 and dnsserver2 parameters at /userRpm/Wan6to4TunnelCfgRpm.htm. This vulnerability allows an authenticated attacker to execute arbitrary code on the remote device in the context of the root user. | [email protected] | 8.0 | 5.37% | 2025-01-09 | 2026-07-04 |
| CVE-2023-36359 | TP-Link TL-WR940N V4, TL-WR841N V8/V10, TL-WR940N V2/V3 and TL-WR941ND V5/V6 were discovered to contain a buffer overflow in the component /userRpm/QoSRuleListRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request. | [email protected] | 7.5 | 0.81% | 2023-06-22 | 2026-06-17 |
| CVE-2023-36358 | TP-Link TL-WR940N V2/V3/V4, TL-WR941ND V5/V6, TL-WR743ND V1 and TL-WR841N V8 were discovered to contain a buffer overflow in the component /userRpm/AccessCtrlAccessTargetsRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request. | [email protected] | 7.7 | 0.70% | 2023-06-22 | 2026-06-17 |
| CVE-2023-36357 | An issue in the /userRpm/LocalManageControlRpm component of TP-Link TL-WR940N V2/V4/V6, TL-WR841N V8/V10, and TL-WR941ND V5 allows attackers to cause a Denial of Service (DoS) via a crafted GET request. | [email protected] | 7.7 | 0.80% | 2023-06-22 | 2026-06-17 |
| CVE-2023-36356 | TP-Link TL-WR940N V2/V4/V6, TL-WR841N V8, TL-WR941ND V5, and TL-WR740N V1/V2 were discovered to contain a buffer read out-of-bounds via the component /userRpm/VirtualServerRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request. | [email protected] | 7.7 | 0.71% | 2023-06-22 | 2026-06-17 |
| CVE-2023-36355 | TP-Link TL-WR940N V4 was discovered to contain a buffer overflow via the ipStart parameter at /userRpm/WanDynamicIpV6CfgRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request. | [email protected] | 9.9 | 31.73% | 2023-06-22 | 2026-06-17 |
| CVE-2023-36354 | TP-Link TL-WR940N V4, TL-WR841N V8/V10, TL-WR740N V1/V2, TL-WR940N V2/V3, and TL-WR941ND V5/V6 were discovered to contain a buffer overflow in the component /userRpm/AccessCtrlTimeSchedRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request. | [email protected] | 7.5 | 0.81% | 2023-06-22 | 2026-06-17 |
| CVE-2023-33538 KEV | TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain a command injection vulnerability via the component /userRpm/WlanNetworkRpm . | [email protected] | 8.8 | 41.87% | 2023-06-07 | 2026-06-17 |
| CVE-2023-33537 | TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain a buffer overflow via the component /userRpm/FixMapCfgRpm. | [email protected] | 8.1 | 0.90% | 2023-06-07 | 2026-06-17 |
| CVE-2023-33536 | TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain a buffer overflow via the component /userRpm/WlanMacFilterRpm. | [email protected] | 8.1 | 0.90% | 2023-06-07 | 2026-06-17 |
| CVE-2022-43636 | This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of TP-Link TL-WR940N 6_211111 3.20.1(US) routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the lack of sufficient randomness in the sequnce numbers used for session managment. An attacker can leverage this vulnerability to bypass authentication on the system. | [email protected] | 8.8 | 0.91% | 2023-03-29 | 2026-06-17 |
| CVE-2022-43635 | This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of TP-Link TL-WR940N 6_211111 3.20.1(US) routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the incorrect implementation of the authentication algorithm. An attacker can leverage this vulnerability to disclose stored credentials, leading to further com | [email protected] | 6.5 | 0.59% | 2023-03-29 | 2026-06-17 |
| CVE-2022-24973 | This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR940N 3.20.1 Build 200316 Rel.34392n (5553) routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this | [email protected] | 8.0 | 0.72% | 2023-03-28 | 2026-06-17 |
| CVE-2022-24972 | This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of TP-Link TL-WR940N 3.20.1 Build 200316 Rel.34392n (5553) routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the lack of proper access control. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. | [email protected] | 6.5 | 0.58% | 2023-03-28 | 2026-06-17 |
| CVE-2022-0650 | This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR940N 3.20.1 Build 200316 Rel.34392n (5553) routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this | [email protected] | 8.0 | 0.72% | 2023-03-28 | 2026-06-17 |
| CVE-2023-23040 | TP-Link router TL-WR940N V6 3.19.1 Build 180119 uses a deprecated MD5 algorithm to hash the admin password used for basic authentication. | [email protected] | 7.5 | 0.36% | 2023-02-22 | 2026-06-17 |
| CVE-2022-24355 | This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR940N 3.20.1 Build 200316 Rel.34392n (5553) routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parsing of file name extensions. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to ex | [email protected] | 8.8 | 2.05% | 2022-02-18 | 2026-06-17 |