CVE-2020-35575
CVE-2020-35575 is a critical-severity vulnerability in Tp-link Wa901nd Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 8% (94th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Tp-link Wa901nd Firmware
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2020-35575?
- 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.
- How severe is CVE-2020-35575?
- CVE-2020-35575 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-35575 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-35575?
- CVE-2020-35575 primarily affects Tp-link Wa901nd Firmware. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-35575?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-35575 published?
- CVE-2020-35575 was published on 2020-12-26 and last updated on 2026-06-17.
References
- http://packetstormsecurity.com/files/163274/TP-Link-TL-WR841N-Command-Injection.html
- https://pastebin.com/F8AuUdck
- https://static.tp-link.com/2020/202012/20201214/wa901ndv5_eu_3_16_9_up_boot%28201211%29.zip
- https://www.tp-link.com/us/security
Affected products (27)
- cpe:2.3:o:tp-link:wa901nd_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:archer_c5_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:archer_c7_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:mr3420_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:mr6400_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wa701nd_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wa801nd_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wdr3500_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wdr3600_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:we843n_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wr1043nd_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wr1045nd_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wr740n_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wr741nd_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wr749n_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wr802n_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wr840n_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wr841hp_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wr841n_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wr842n_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wr842nd_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wr845n_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wr940n_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wr941hp_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wr945n_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wr949n_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:wrd4300_firmware:-:*:*:*:*:*:*:*