D-Link DI-8100 16.07.26A1 Connection Limit Page /ctxz.asp ctxz_asp def/defTcp/defUdp/defIcmp/defOther stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in D-Link DI-8100 16.07.26A1. The affected element is the function ctxz_asp of the file /ctxz.asp of the component Connection Limit Page. Executing a manipulation of the argument def/defTcp/defUdp/defIcmp/defOther can lead to stack-based overflow. This vulnerability is handled as CVE-2025-4883. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in D-Link DI-8100 16.07.26A1. It has been declared as critical. This vulnerability affects the function ctxz_asp of the file /ctxz.asp of the component Connection Limit Page. The manipulation of the argument def/defTcp/defUdp/defIcmp/defOther with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2025-4883. The exploitation appears to be easy. The attack can be initiated remotely. The exploitation needs additional levels of successful authentication. Technical details and also a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/18/2025).

It is possible to download the exploit at github.com. It is declared as proof-of-concept. By approaching the search of inurl:ctxz.asp it is possible to find vulnerable targets with Google Hacking.

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-2025-15627). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.2
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.2
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

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

05/17/2025 🔍
05/17/2025 +0 days 🔍
05/18/2025 +1 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Not defined

CVE: CVE-2025-4883 (🔍)
GCVE (CVE): GCVE-0-2025-4883
GCVE (VulDB): GCVE-100-309436
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/17/2025 08:19
Updated: 05/18/2025 18:11
Changes: 05/17/2025 08:19 (57), 05/18/2025 17:50 (30), 05/18/2025 18:11 (1)
Complete: 🔍
Submitter: huan
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #576392: D-Link DI-8100 DI-8100-16.07.26A1 Stack-based Buffer Overflow (by huan)

Once again VulDB remains the best source for vulnerability data.

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