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TP-Link

TP-link TL-WA855RE Missing Authentication Vulnerability

CVE-2020-24363

What this means

This is rated high severity (8.8 out of 10). It is on the known-exploited catalogue, which means attacks using it have already been seen. Ask IT whether Tp Link Tl wa855re Firmware and Tp Link Tl wa855re are in your estate, and treat that as the priority.

Full vendor description

TP-Link TL-WA855RE V5 20200415-rel37464 devices allow an unauthenticated attacker (on the same network) to submit a TDDP_RESET POST request for a factory reset and reboot. The attacker can then obtain incorrect access control by setting a new administrative password.

Scoring and exploitation

8.8/ 10
CVSS 3.1 base scoreHigh

Exploitable from the same local network without any account, and no one has to click or open anything. High impact on confidentiality, integrity and availability.

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability

Longer bar: easier to attack

Attack vectorAdjacentAV:A
Attack complexityLowAC:L
Privileges requiredNonePR:N
User interactionNoneUI:N
ScopeUnchangedS:U

Impact

Longer bar: more harm

ConfidentialityHighC:H
IntegrityHighI:H
AvailabilityHighA:H
Elevated attack likelihood (~22.2% in 30 days)Model estimate (): a probability signal, not confirmed exploitation
Exploited in the wild
Yes — confirmed exploitation (US CISA )
Not reported
Listed product
TP-Link TL-WA855RE

Weaknesses

CWE-306

Affected products ()

  • Tp Link Tl wa855re Firmware
  • Tp Link Tl wa855re
Show the raw CPE strings (2)
  • cpe:2.3:o:tp-link:tl-wa855re_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:tp-link:tl-wa855re:v5:*:*:*:*:*:*:*

References

7 links from the CVE record, grouped by site.