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CVE-2026-77988

TRENDnet TEW-823DRU CLI Configuration Tool nvram_get command injection

MEDIUM
6.6
CVSS Score
Published: August 22, 2026 at 11:45 AM UTC
Updated: October 12, 2026 at 04:10 PM UTC
1 product affected across 1 vendorTEW-823DRU

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Severity
MEDIUM6.6
Exploit prediction
EPSS 2%
SSVC
PoC

Description

A weakness has been identified in TRENDnet TEW-823DRU 1.1.02b01. This vulnerability affects the function nvram_get of the component CLI Configuration Tool. This manipulation causes command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/394178
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/394178/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-77988
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/881256
Exploit
Source: cverecord
https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TEW-823DRU_bin_cli_NVRAM_Command_Injection.md

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.6MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-77CWE-74

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