VDB-227786 · CVE-2023-30061 · EUVD-2023-34494

D-Link DIR-879 v105A1 phpcgi improper authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in D-Link DIR-879 v105A1. It has been declared as critical. This impacts an unknown function of the component phpcgi. Such manipulation leads to improper authentication. This vulnerability is documented as CVE-2023-30061. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in D-Link DIR-879 v105A1 (Router Operating System) and classified as critical. Affected by this issue is some unknown processing of the component phpcgi. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. CVE summarizes:

D-Link DIR-879 v105A1 is vulnerable to Authentication Bypass via phpcgi.

The weakness was released 05/01/2023. The advisory is available at github.com. This vulnerability is handled as CVE-2023-30061 since 04/07/2023. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 12/20/2025).

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-34494). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Router Operating System

Vendor

D-Link

Name

DIR-879

Version

v105A1

License

commercial

Website

Vendor: https://www.dlink.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/07/2023 🔍
05/01/2023 +24 days 🔍
05/01/2023 +0 days 🔍
12/20/2025 +964 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Not defined

CVE: CVE-2023-30061 (🔍)
GCVE (CVE): GCVE-0-2023-30061
GCVE (VulDB): GCVE-100-227786
EUVD: 🔍

Entryinfo

Created: 05/01/2023 17:44
Updated: 12/20/2025 03:22
Changes: 05/01/2023 17:44 (39), 05/24/2023 13:17 (11), 01/30/2025 19:34 (25), 12/20/2025 03:22 (1)
Complete: 🔍
Cache ID: 216::103

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