TF
Product
Tl-wr940n Firmware
by Tp-link · last CVE Jun 16, 2026
On CISA KEVExploited in the wild
22
CVEs
2
On KEV
9.9
Max CVSS
0
New 30D
Severity mix
Critical 1High 18Medium 3Low 0
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Add Tl-wr940n Firmware to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2023-33538
In wildKEV
8.8
42%
Jun 7
TP-Link Multiple Routers Command Injection Vulnerability
Affected: All versions, or not specified
CVE-2023-50224
In wildKEV
6.5
20%
May 3
TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability
Affected: 5_161019 through 5_220801; 6_170325 before 6_250925
CVE-2023-36355
9.9
32%
Jun 22
TP-Link TL-WR940N V4 was discovered to contain a buffer overflow via the ipStart parameter at /userRpm/WanDynamicIpV6CfgRpm
Affected: All versions, or not specified
CVE-2022-43636
8.8
1%
Mar 29
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of TP-Link TL-WR940N 6_211111 3.20.1(US) routers
Affected: 6_211111_3.20.1
CVE-2022-24355
8.8
2%
Feb 18
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
Affected: before 211111
CVE-2019-6989
8.8
11%
Jun 6
TP-Link TL-WR940N is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the ipAddrDispose function
Affected: All versions, or not specified
CVE-2025-6151
8.2
5%
Jun 17
A vulnerability has been found in TP-Link TL-WR940N V4 and TL-WR841N V11
Affected: All versions, or not specified
CVE-2023-33537
8.1
1%
Jun 7
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
Affected: All versions, or not specified
CVE-2023-33536
8.1
1%
Jun 7
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
Affected: All versions, or not specified
CVE-2024-54887
8.0
7%
Jan 9
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
Affected: through 3.16.9
CVE-2022-24973
8.0
1%
Mar 28
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
Affected: 3.20.1
CVE-2022-0650
8.0
1%
Mar 28
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
Affected: before 211111
CVE-2023-36358
7.7
1%
Jun 22
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
Affected: All versions, or not specified
CVE-2023-36357
7.7
1%
Jun 22
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…
Affected: All versions, or not specified
CVE-2023-36356
7.7
1%
Jun 22
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
Affected: All versions, or not specified
CVE-2023-36359
7.5
1%
Jun 22
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
Affected: All versions, or not specified
CVE-2023-36354
7.5
1%
Jun 22
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…
Affected: All versions, or not specified
CVE-2023-23040
7.5
0%
Feb 22
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
Affected: 6_3.19.1
CVE-2026-11409
7.2
3%
Jun 16
OS Command Injection in IPv6 PPPoE Configuration in TP-Link TL-WR940N
Affected: before 260528
CVE-2026-11410
7.2
3%
Jun 16
OS Command Injection in BigPond Cable (BPA) Configuration in TP-Link TL-WR940N
Affected: before 260528
CVE-2022-43635
6.5
1%
Mar 29
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
Affected: 6_211111_3.20.1
CVE-2022-24972
6.5
1%
Mar 28
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
Affected: 3.20.1
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