Is CVE-2020-22253 actively exploited?

No active exploitation of CVE-2020-22253 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-22253 be exploited remotely?

Yes. CVE-2020-22253 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-22253?

CVE-2020-22253 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2020-22253

CRITICAL

CVE-2020-22253

NVD-CWE-noinfoPublished: April 6, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Xiongmai Technology Co devices AHB7008T-MH-V2, AHB7804R-ELS, AHB7804R-MH-V2, AHB7808R-MS-V2, AHB7808R-MS, AHB7808T-MS-V2, AHB7804R-LMS, and HI3518E_50H10L_S39 were all discovered to have port 9530 open which allows unauthenticated attackers to make arbitrary Telnet connections with the victim device.

NVD Source

Technical Analysis

CVE-2020-22253 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

xiongmaitech16 product(s)

ahb7008t-mh-v2 firmwareahb7008t-mh-v2ahb7804r-els firmwareahb7804r-elsahb7804r-mh-v2 firmwareahb7804r-mh-v2ahb7808r-ms-v2 firmwareahb7808r-ms-v2ahb7808r-ms firmwareahb7808r-msahb7808t-ms-v2 firmwareahb7808t-ms-v2+4

Source: NVD CPE · 16 total CPE entries