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CVE-2022-30023Hg9 Firmware OS Command Injection

Tenda ONT GPON AC1200 Dual band WiFi HG9 v1.0.1 is vulnerable to Command Injection via the Ping function.

Published Jun 16, 2022 · Updated Jul 9, 2026

Key Facts

Patch immediately
  • CVE-2022-30023 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Hg9 Firmware (Tenda).
  • It is exploited in the wild, listed in Industry KEV feed since Dec 21, 2022. No public exploit code is known.
  • EPSS estimates a 39% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Scores

CVSS v3.1

8.8

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

EPSS (30-day exploit likelihood)

39%

Higher than 98.5% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

36/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Dec 21, 2022

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

1

Proof-of-concept links

In-the-wild evidence

2

Reports of active use

Description

Tenda ONT GPON AC1200 Dual band WiFi HG9 v1.0.1 is vulnerable to Command Injection via the Ping function.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
Industry KEV feedDec 21, 2022n/aNot reported

Affected Products

1 affected entries in total
ProductAffected versionsFixed in
Hg9 FirmwareTenda1.0.1n/a

Timeline

  1. Publicly disclosed

    Jun 16, 2022

  2. Added to Industry KEV feed

    Dec 21, 2022

  3. Last updated

    Jul 9, 2026

Weakness Type

  • CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

FAQ

Common Questions.

Is CVE-2022-30023 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.

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Figures as of Oct 20, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

To report an error, contact Brandefense.