TRENDnet TEW-823DRU 1.1.02b01 CLI Configuration Tool nvram_get command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k1.88-

Summaryinfo

A vulnerability categorized as critical has been discovered in TRENDnet TEW-823DRU 1.1.02b01. This issue affects the function nvram_get of the component CLI Configuration Tool. Such manipulation leads to command injection. This vulnerability is listed as CVE-2026-77988. The attack may be performed from remote. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in TRENDnet TEW-823DRU 1.1.02b01 and classified as critical. Affected by this issue is the function nvram_get of the component CLI Configuration Tool. The manipulation with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-77988. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are necessary for exploitation. Technical details as well as a public exploit are known. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

The exploit is available at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.6
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/21/2026 Advisory disclosed
08/21/2026 +0 days VulDB entry created
08/21/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-77988 (🔒)
GCVE (CVE): GCVE-0-2026-77988
GCVE (VulDB): GCVE-100-394178
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/21/2026 21:00
Changes: 08/21/2026 21:00 (55)
Complete: 🔍
Submitter: ST4R0002
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #881256: TRENDnet TEW-823DRU Wireless AC2100 Dual Band Gigabit Router v1.1.02b01 Command Injection (by ST4R0002)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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