Buffer overflow in TP-Link Tl-Wr802n
CVE-2021-29302
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.059 (93.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.059 · newest: 0.059 · change: 0.000
Affected products
- TP-Link Tl-Wr802n — versions v4
- TP-Link Tl-Wr802n Firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-29302 (Exploit, Third Party Advisory)
- static.tp-link.com/beta/2021/202103/20210319/TL-WR802Nv4_US_0.9.1_3.17_up_boot[…
- www.tp-link.com/us/support/download/tl-wr802n/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-29302?
- CVE-2021-29302 is a high-severity vulnerability in TP-Link Tl-Wr802n, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.1/10. Published 2021-04-12.
- How severe is CVE-2021-29302?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2021-29302 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.