CVE-2021-29302
TP-Link TL-WR802N(US), Archer_C50v5_US v4_200 <= 2020.06 contains a buffer overflow vulnerability...
TP-Link TL-WR802N(US), Archer_C50v5_US v4_200 <= 2020.06 contains a buffer overflow vulnerability in the httpd process in the body message. The attack vector is: The attacker can get shell of the router by sending a message through the network, which may lead to remote code execution.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
TP-Link TL-WR802N(US), Archer_C50v5_US v4_200 <= 2020.06 contains a buffer overflow vulnerability in the httpd process in the body message. The attack vector is: The attacker can get shell of the router by sending a message through the network, which may lead to remote code execution.
- Record
CVE-2021-29302- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-120
- Updated
- 2026-11-02
CVE List No score
TP-Link TL-WR802N(US), Archer_C50v5_US v4_200 <= 2020.06 contains a buffer overflow vulnerability in the httpd process in the body message. The attack vector is: The attacker can get shell of the router by sending a message through the network, which may lead to remote code execution.
- Record
CVE-2021-29302- Updated
- 2026-11-02
EUVDEUVD-2021-15938 No score
TP-Link TL-WR802N(US), Archer_C50v5_US v4_200 <= 2020.06 contains a buffer overflow vulnerability in the httpd process in the body message. The attack vector is: The attacker can get shell of the router by sending a message through the network, which may lead to remote code execution.
- Record
EUVD-2021-15938- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-77gh-mcmc-pvr3 No score
TP-Link TL-WR802N(US), Archer_C50v5_US v4_200 <= 2020.06 contains a buffer overflow vulnerability...
TP-Link TL-WR802N(US), Archer_C50v5_US v4_200 <= 2020.06 contains a buffer overflow vulnerability in the httpd process in the body message. The attack vector is: The attacker can get shell of the router by sending a message through the network, which may lead to remote code execution.
- Record
GHSA-77gh-mcmc-pvr3- Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-29302 is a high vulnerability (CVSS 8.1) in Tp-link Tl-wr802n Firmware, published April 12, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.91%, the 93rd percentile. No source names a fixed version.
References
github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-29302
static.tp-link.com/beta/2021/202103/20210319/TL-WR802Nv4_US_0.9.1_3.17_up_boot%5B210317-rel64474%5D.zip
tp-link.com/us/support/download/tl-wr802n
nvd.nist.gov/vuln/detail/CVE-2021-29302