D-Link DI-8100 16.07.26A1 yyxz.asp sprintf ID 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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6.5$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in D-Link DI-8100 16.07.26A1. This impacts the function sprintf of the file yyxz.asp. The manipulation of the argument ID results in stack-based overflow. This vulnerability was named CVE-2026-7851. The attack may be performed from remote. In addition, an exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in D-Link DI-8100 16.07.26A1. Affected is the function sprintf of the file yyxz.asp. The manipulation of the argument id with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as 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). This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-7851. The exploitability is told to be easy. It is possible to launch the attack remotely. Additional levels of successful authentication are necessary for exploitation. Technical details and a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/07/2026).

The exploit is shared for download at github.com. It is declared as proof-of-concept. By approaching the search of inurl:yyxz.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 databases at CNNVD (CNNVD-202605-759) and EUVD (EUVD-2026-27416). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.2
VulDB Temp Score: 6.5
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: 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

05/05/2026 Advisory disclosed
05/05/2026 +0 days VulDB entry created
05/07/2026 +2 days VulDB entry last update

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Not defined

CVE: CVE-2026-7851 (🔒)
GCVE (CVE): GCVE-0-2026-7851
GCVE (VulDB): GCVE-100-361128
EUVD: 🔒
CNNVD: CNNVD-202605-759 - D-Link DI-8100 缓冲区错误漏洞

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/05/2026 13:22
Updated: 05/07/2026 22:45
Changes: 05/05/2026 13:22 (56), 05/06/2026 15:57 (1), 05/07/2026 22:45 (6)
Complete: 🔍
Submitter: draw
Cache ID: 216::103

Submitinfo

Accepted

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