VulnSocial

CVE-2026-7857Disclosure(dlink / di-8100)

LOWCVSS 7.3 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A vulnerability has been found in D-Link DI-8100 16.07.26A1. This vulnerability affects the function sprintf of the file /user_group.asp of the component CGI Handler. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

dlink CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Exploit / PoC references
Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-119CWE-120

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • di-8100
  • di-8100_firmware

Threat summary

  • 4 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 4 signals
  • Disclosure: 3 classified signals
  • General: 1 classified signal
  • Peaked 1d ago at 3 mentions (2026-05-05); latest day: 1
  • 4 total mentions across 2 days

Affected systems

Vendors
dlink
Products
di-8100di-8100_firmware

2 versions affected across 2 products

Deep dive

Activity timeline4 mentions / 2d
01223Mentions · 2026-05-05: 3Mentions · 2026-06-06: 1Technical Details · 2026-05-05: 3Technical Details · 2026-06-06: 105-0506-06
Signal classification2 categories
Disclosure
375.0%
General
125.0%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-05-053
Disclosure2General1
2026-06-061
Disclosure1
Full discourse4 posts
  • Lyrie.ai@lyrie_ai
    Disclosure

    Between May 5-6, 2026, security researchers publicly disclosed three separate buffer overflow vulnerabilities affecting D-Link DI-8100 firmware version 16.07.26A1. The vulnerabilities were disclosed at: CVE-2026-7857 (CVSS 7.2) — Affects the /usergroup.asp endpoint via the…

    Post summary

    Security researchers disclosed three buffer overflow vulnerabilities in D‑Link DI‑8100 firmware (including CVE-2026-7857, CVSS 7.2), but no PoC, exploit code, active exploitation, or patch information is provided.

    1000037
    247 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-7857 Buffer Overflow in D-Link DI-8100 16.07.26A1 CGI Handler /user_group.asp https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-7857

    Post summary

    A buffer overflow vulnerability (CVE‑2026‑7857) has been identified in the D‑Link DI‑8100 model’s /user_group.asp CGI interface based on a Vulmon report, but no PoC, exploit details, or patch information are provided.

    0000036
    4.0K followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-7857 A vulnerability has been found in D-Link DI-8100 16.07.26A1. This vulnerability affects the function sprintf of the file /user_group.asp of the component CGI Handler. T… https://www.cve.org/CVERecord?id=CVE-2026-7857 ----- Traducción: CVE-2026-7857 Se … http://infoflow.cloud`

    Post summary

    The post reports the discovery of CVE-2026-7857 in a D‑Link router, noting a vulnerable sprintf usage, but offers no PoC, exploit code, patch, or evidence of active exploitation.

    0000034
    75 followersView on X
  • CVE@CVEnew
    General

    CVE-2026-7857 A vulnerability has been found in D-Link DI-8100 16.07.26A1. This vulnerability affects the function sprintf of the file /user_group.asp of the component CGI Handler. T… https://www.cve.org/CVERecord?id=CVE-2026-7857

    Post summary

    The source provides a brief disclosure of CVE-2026-7857 in a D‑Link router, noting the affected function and file, but does not mention exploitation, patches, or countermeasures.

    00000156
    57.4K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
HWdlinkdi-8100---
OSdlinkdi-8100_firmware16.07.26a1--

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