Review reviewHigh

CVE-2023-33530

g103 firmware, g103

There is a command injection vulnerability in the Tenda G103 Gigabit GPON Terminal with firmware version V1.0.0.5. If an attacker gains web management privileges, they can inject commands gaining shell privileges.

CVSS
8.8
EPSS
1.29%
67.5% percentile
CISA KEV
Not listed
Published
2023.06.06
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability1.29%
Technical severityCVSS 8.8

Vulnerability overview

There is a command injection vulnerability in the Tenda G103 Gigabit GPON Terminal with firmware version V1.0.0.5. If an attacker gains web management privileges, they can inject commands gaining shell privileges.

Affected product and versions

Product
g103 firmware, g103
Affected versions
1.0.0.5
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that g103 firmware, g103 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-77