VulnSocial

CVE-2026-4194Disclosure(dlink / dnr-202l)

MEDIUMCVSS 9.8 · CRITICAL

Exploitation ongoing with high activity in latest observed window (1 mentions)

Immediate actions

  • Prioritize remediation for dlink dnr-202l systems immediately
  • Assume compromise if assets are exposed
  • Track advisory updates for patch or workaround availability

Recommended action window: Immediate (within 24h)

NVD description

A vulnerability was detected in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. The impacted element is the function cgi_set_wto of the file /cgi-bin/system_mgr.cgi. Performing a manipulation results in improper access controls. Remote exploitation of the attack is possible. The exploit is now public and may be used.

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4.0/ 10 priority

Sources & remediation

Exploit / PoC references
Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-266CWE-284

Priority

MEDIUM

Exploitation

ACTIVE

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.

  • dnr-202l
  • dnr-202l_firmware
  • dnr-326
  • dnr-326_firmware

Threat summary

  • Active exploitation appears in 1 classified signals
  • 3 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • Active exploitation reported across 1 signal
  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • General: 1 classified signal
  • Peaked 2d ago at 1 mentions (2026-03-16); latest day: 1
  • 3 total mentions across 3 days

Affected systems

Vendors
dlink
Products
dnr-202ldnr-202l_firmwarednr-326dnr-326_firmwaredns-1100-4dns-1100-4_firmwaredns-120dns-1200-05dns-1200-05_firmwaredns-120_firmware

1 version affected across 40 products

Deep dive

Activity timeline3 mentions / 3d
00111Mentions · 2026-03-16: 1Mentions · 2026-03-18: 1Mentions · 2026-04-30: 1Active Exploitation · 2026-04-30: 1Technical Details · 2026-03-18: 103-1603-1804-30
Signal classification3 categories
Disclosure
133.3%
General
133.3%
Active Exploitation
133.3%
Referenced assets2 URLs
By indicator
Classification over time
DateTotalLabels
2026-03-161
Disclosure1
2026-03-181
General1
2026-04-301
Active Exploitation1
Full discourse3 posts
  • Mr. Thariki@kifukofuko
    Active Exploitation

    Bloodcurdling webserver vulnerability CVE-2026-4194 on cPanel. Seen sites that have been hacked, data encrypted & ransom demanded

    Post summary

    CVE-2026-4194 in cPanel is reportedly being actively exploited, with sites hacked, data encrypted, and ransoms demanded.

    00010149
    77 followersView on X
  • IntegSec@integ_sec
    General

    CVE-2026-4194: D-Link NAS Access Control Flaw - What It Means for Your Business and How to Respond https://hubs.li/Q047jlsq0

    Post summary

    The article title indicates a discussion of the business impact and response guidance for CVE‑2026‑4194, but lacks specific technical or exploit details.

    0000020
    29 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-4194 A vulnerability was detected in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-3… https://www.cve.org/CVERecord?id=CVE-2026-4194

    Post summary

    The passage announces the existence of CVE-2026-4194 affecting multiple D-Link routers and provides a link to the CVE record, but gives no additional technical, exploit, or mitigation details.

    00000115
    56.7K followersView on X
CPE platform detail40 entries

40 of 40 entries

PartVendorProductVersionTarget SWTarget HW
HWdlinkdnr-202l---
OSdlinkdnr-202l_firmware---
HWdlinkdnr-326---
OSdlinkdnr-326_firmware---
HWdlinkdns-1100-4---
OSdlinkdns-1100-4_firmware---
HWdlinkdns-120---
HWdlinkdns-1200-05---
OSdlinkdns-1200-05_firmware---
OSdlinkdns-120_firmware---
HWdlinkdns-1550-04---
OSdlinkdns-1550-04_firmware---
HWdlinkdns-315l---
OSdlinkdns-315l_firmware---
HWdlinkdns-320---
OSdlinkdns-320_firmware---
HWdlinkdns-320l---
OSdlinkdns-320l_firmware---
HWdlinkdns-320lw---
OSdlinkdns-320lw_firmware---
HWdlinkdns-321---
OSdlinkdns-321_firmware---
HWdlinkdns-322l---
OSdlinkdns-322l_firmware---
HWdlinkdns-323---
OSdlinkdns-323_firmware---
HWdlinkdns-325---
OSdlinkdns-325_firmware---
HWdlinkdns-326---
OSdlinkdns-326_firmware---
HWdlinkdns-327l---
OSdlinkdns-327l_firmware---
HWdlinkdns-340l---
OSdlinkdns-340l_firmware---
HWdlinkdns-343---
OSdlinkdns-343_firmware---
HWdlinkdns-345---
OSdlinkdns-345_firmware---
HWdlinkdns-726-4---
OSdlinkdns-726-4_firmware---

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