PT-2022-12578 · Tp Link · Tp-Link Tl-Wr840N

K4M1Ll0 · Published 2022-04-18 · Updated 2022-04-26 · CVE-2021-46122

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Tp-Link TL-WR840N (EU) version 6.20 Firmware (0.9.1 4.17 v0001.0 Build 201124 Rel.64328n)

Description The issue is related to a Buffer Overflow that can be triggered via the Password reset feature. This allows for potential exploitation.

Recommendations For Tp-Link TL-WR840N (EU) version 6.20 Firmware (0.9.1 4.17 v0001.0 Build 201124 Rel.64328n), consider disabling the Password reset feature until a patch is available. Restrict access to the Password reset functionality to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2021-46122

Affected Products

Tp-Link Tl-Wr840N

References · 4

• 🔥 https://k4m1ll0.com/cve-tplink-tlwr840n-euV620-password-reset.html · Exploit
• https://osv.dev/vulnerability/CVE-2021-46122 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-46122 · Security Note
• https://t.me/cibsecurity/41037 · Telegram Post