PT-2020-1973 · Tp Link · Tp-Link Tl-Wr849N

F0Lds · Published 2020-01-27 · Updated 2023-02-01 · CVE-2019-19143

Positive Technologies (AI Summary)

CVSS v2.0

7.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions TP-LINK TL-WR849N version 0.9.1 4.16

Description The issue is related to the lack of authentication required to replace the firmware of TP-LINK TL-WR849N devices via a POST request to the "cgi/softup" URI. This could allow a remote attacker to impact the confidentiality and integrity of protected information.

Recommendations For TP-LINK TL-WR849N version 0.9.1 4.16, as a temporary workaround, consider restricting access to the "cgi/softup" URI 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

Improper Authentication

Missing Authentication

Weakness Enumeration

CWE-287

CWE-306

Related Identifiers

BDU:2020-01272

CVE-2019-19143

Affected Products

Tp-Link Tl-Wr849N

References · 10

• 🔥 http://packetstormsecurity.com/files/156586/TP-Link-TL-WR849N-0.9.1-4.16-Authentication-Bypass.html · Exploit
• 🔥 https://fireshellsecurity.team/hack-n-routers · Exploit
• 🔥 https://exploit-db.com/exploits/48152 · Exploit
• https://osv.dev/vulnerability/CVE-2019-19143 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-19143 · Security Note
• https://bdu.fstec.ru/vul/2020-01272 · Security Note
• https://packetstormsecurity.com/files/156586/TP-Link-TL-WR849N-0.9.1-4.16-Authentication-Bypass.html · Note
• https://t.me/cvenotify/478 · Telegram Post
• https://exploit.kitploit.com/2020/03/tp-link-tl-wr849n-091-416.html · Note
• https://t.me/cybersecuritytechnologies/727 · Telegram Post