CVE-2026-77988

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.

CVSS v3 6.6 MEDIUM
CVSS v2.0 5.8 MEDIUM

6.6^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 3.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope CHANGED

5.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:M/C:P/I:P/A:P

Exploitability : 6.4 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication MULTIPLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TEW-823DRU_bin_cli_NVRAM_Command_Injection.md
https://vuldb.com/cve/CVE-2026-77988
https://vuldb.com/submit/881256
https://vuldb.com/vuln/394178
https://vuldb.com/vuln/394178/cti

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-22 12:16

Updated : 2026-08-24 19:17

NVD link : CVE-2026-77988

Mitre link : CVE-2026-77988

CVE.ORG link : CVE-2026-77988

JSON object : View

Products Affected

No product.

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

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