HOMEVULNERABILITIESCVE-2020-26201
CRITICAL

CVE-2020-26201

CWE-521Published: December 10, 2020· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Askey AP5100W_Dual_SIG_1.01.097 and all prior versions use a weak password at the Operating System (rlx-linux) level. This allows an attacker to gain unauthorized access as an admin or root user to the device Operating System via Telnet or SSH.

NVD Source

Technical Analysis

CVE-2020-26201 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

askey2 product(s)
ap5100w firmwareap5100w
Source: NVD CPE · 2 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

ADVISORYhttps://medium.com/csg-govtech/bolstering-security-how-i-breached-a-wifi-mesh-access-point-from-close-proximity-to-uncover-f8f77dc3cd5d
ADVISORYhttps://www.askey.com.tw/
ADVISORYhttps://www.askey.com.tw/incident_report_notifications.html
ADVISORYhttps://medium.com/csg-govtech/bolstering-security-how-i-breached-a-wifi-mesh-access-point-from-close-proximity-to-uncover-f8f77dc3cd5d
ADVISORYhttps://www.askey.com.tw/
ADVISORYhttps://www.askey.com.tw/incident_report_notifications.html

All References (6)

→
https://medium.com/csg-govtech/bolstering-security-how-i-breached-a-wifi-mesh-access-point-from-close-proximity-to-uncover-f8f77dc3cd5dExploit · Third Party Advisory
→
https://www.askey.com.tw/Vendor Advisory
→
https://www.askey.com.tw/incident_report_notifications.htmlBroken Link · Vendor Advisory
→
https://medium.com/csg-govtech/bolstering-security-how-i-breached-a-wifi-mesh-access-point-from-close-proximity-to-uncover-f8f77dc3cd5dExploit · Third Party Advisory
→
https://www.askey.com.tw/Vendor Advisory
→
https://www.askey.com.tw/incident_report_notifications.htmlBroken Link · Vendor Advisory

Quick Facts

CVE IDCVE-2020-26201
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-521
CISA KEVNo
Affected1 vendor(s)
PublishedDec 10, 2020

Related CVEs (CWE-521)

CVE-2019-9950
9.8
CVE-2019-19690
9.8
CVE-2019-9123
9.8
CVE-2018-19064
9.8
CVE-2019-7674
9.8
CVE-2019-19747
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-26201 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.COM. CVE data is provided under the NVD usage policy.
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