Security readout for executives and security teams
This TP-Link range extender flaw lets an unauthenticated attacker on the same network force a factory reset and reboot, then take over administration by setting a new password. Business risk is disruption plus loss of control over the device and traffic path. Exposure is most likely where TL-WA855RE V5 extenders with firmware 20200415-rel37464 are present on internal, branch, home-office, or guest-adjacent networks. The provided sources do not show internet-routable exploitation; the CVSS vector and description require same-network access. Prioritize remediation for any deployed TL-WA855RE V5 devices because the issue is high severity and listed by CISA as known exploited. Risk is highest on shared networks where guests, unmanaged devices, or compromised endpoints can reach extender management services. Mitigation focus: Inventory TP-Link TL-WA855RE V5 extenders and record firmware versions.; Check TP-Link firmware guidance for an applicable update or vendor-supported replacement path.; Update or retire devices running 20200415-rel37464 where vendor guidance supports it..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-24363 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
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CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.tp-link.com/us/support/download/tl-wa855re/#FirmwareCVE reference · x_refsource_MISC
- https://pastebin.com/VjHM4UiACVE reference · x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-24363CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.