HOMEVULNERABILITIESCVE-2020-35575
CRITICAL

CVE-2020-35575

NVD-CWE-noinfoPublished: December 26, 2020· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

A password-disclosure issue in the web interface on certain TP-Link devices allows a remote attacker to get full administrative access to the web panel. This affects WA901ND devices before 3.16.9(201211) beta, and Archer C5, Archer C7, MR3420, MR6400, WA701ND, WA801ND, WDR3500, WDR3600, WE843N, WR1043ND, WR1045ND, WR740N, WR741ND, WR749N, WR802N, WR840N, WR841HP, WR841N, WR842N, WR842ND, WR845N, WR940N, WR941HP, WR945N, WR949N, and WRD4300 devices.

NVD Source

Technical Analysis

CVE-2020-35575 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

tp-link54 product(s)
wa901nd firmwarewa901ndarcher c5 firmwarearcher c5archer c7 firmwarearcher c7mr3420 firmwaremr3420mr6400 firmwaremr6400wa701nd firmwarewa701nd+42
Source: NVD CPE · 54 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://packetstormsecurity.com/files/163274/TP-Link-TL-WR841N-Command-Injection.html
ADVISORYhttps://pastebin.com/F8AuUdck
ADVISORYhttps://www.tp-link.com/us/security
ADVISORYhttp://packetstormsecurity.com/files/163274/TP-Link-TL-WR841N-Command-Injection.html
ADVISORYhttps://pastebin.com/F8AuUdck
ADVISORYhttps://www.tp-link.com/us/security

All References (8)

→
http://packetstormsecurity.com/files/163274/TP-Link-TL-WR841N-Command-Injection.htmlExploit · Third Party Advisory · VDB Entry
→
https://pastebin.com/F8AuUdckThird Party Advisory
→
https://static.tp-link.com/2020/202012/20201214/wa901ndv5_eu_3_16_9_up_boot%28201211%29.zip
→
https://www.tp-link.com/us/securityVendor Advisory
→
http://packetstormsecurity.com/files/163274/TP-Link-TL-WR841N-Command-Injection.htmlExploit · Third Party Advisory · VDB Entry
→
https://pastebin.com/F8AuUdckThird Party Advisory
→
https://static.tp-link.com/2020/202012/20201214/wa901ndv5_eu_3_16_9_up_boot%28201211%29.zip
→
https://www.tp-link.com/us/securityVendor Advisory

Quick Facts

CVE IDCVE-2020-35575
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedDec 26, 2020

Related CVEs (NVD-CWE-noinfo)

CVE-2008-0953
10.0
CVE-2009-1314
10.0
CVE-2024-44148
10.0
CVE-2024-44146
10.0
CVE-2007-5610
10.0
CVE-2017-6326
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-35575 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2020-35575·NVD