Trending
CVE-2026-5311

CVE detail

CVE-2026-5311

A security flaw has been discovered 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. Affected is the function Webdav_Access_List of the file /cgi-bin/file_center.cgi. Performing a manipulation of the argument cmd results in improper access controls. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.

CVSS 5.5 · MediumBuzz score 33.91 public exploit repository references

Buzz score

Why this CVE is surfacing

Buzz score total 33.9

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 17.9 · diversity 11.5 · KEV 0.0 · OTX 0.0 · PoC 4.5

Mention score

17.9

5 evidence mentions in the snapshot

Diversity score

11.5

3 sources across 2 categories

KEV score

0.0

No KEV entry observed

OTX score

0.0

0 OTX pulses

PoC score

4.5

1 repos · best confidence 0.90

Best PoC traction

Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions: 0; within the 30d window
Peak daily: 0; highest bucket

Evidence

Source links by recency

Newest mentions first

5 source links · newest first

https://www.dlink.com/www.dlink.com
No excerpt available.
Vendor Advisorywww.dlink.comApr 1, 2026, 8:16 PM
https://vuldb.com/vuln/354640/ctivuldb.com
No excerpt available.
Exploitvuldb.comApr 1, 2026, 8:16 PM
https://vuldb.com/vuln/354640vuldb.com
No excerpt available.
Exploitvuldb.comApr 1, 2026, 8:16 PM
https://vuldb.com/submit/780441vuldb.com
No excerpt available.
Exploitvuldb.comApr 1, 2026, 8:16 PM
https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_171/171.mdgithub.com
No excerpt available.
Exploitgithub.comApr 1, 2026, 8:16 PM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

1 repository references · best confidence 0.90 · max 0 stars

wudipjq/my_vulnHigh confidence
githubNVD Exploit reference0 starsDiscovered Jul 17, 2026, 6:20 PM
NVD labels the source link as Exploit; this is not independent verification of the repository's code.

Related records

Similar CVEs

6 related CVEs with shared weakness or product evidence

CVE-2026-5215
A vulnerability was identified 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-…
CVSS 2.1 · Low
Public PoC observed5 mentions
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-340L, DNS-34…
CVSS 5.5 · Medium
Public PoC observed5 mentions
CVE-2026-5214
A vulnerability was found 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,…
CVSS 7.4 · High
Public PoC observed5 mentions
CVE-2026-5213
A vulnerability was determined 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-…
CVSS 7.4 · High
Public PoC observed5 mentions
CVE-2026-5212
A vulnerability has been found 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-…
CVSS 7.4 · High
Public PoC observed6 mentions
CVE-2026-5211
A flaw has been found 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-…
CVSS 7.4 · High
Public PoC observed5 mentions

External lookup

Potential internet exposure

Potential exposure only — not proof of vulnerability.Shodan results indicate potentially internet-exposed products, not confirmed vulnerable systems. They do not confirm that any returned system is vulnerable to CVE-2026-5311.

Product-level CPE searches intentionally omit version fields and NVD version-range or configuration certainty. Verify the exact product version and configuration independently.

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Product CPE queries

Derived from this CVE's existing NVD CPE 2.3 records; the application, operating-system, or hardware part is retained.

cpe:2.3:h:dlink:dnr-202lSearch this product on Shodan
cpe:2.3:o:dlink:dnr-202l_firmwareSearch this product on Shodan
cpe:2.3:h:dlink:dnr-326Search this product on Shodan
cpe:2.3:o:dlink:dnr-326_firmwareSearch this product on Shodan
cpe:2.3:h:dlink:dns-1100-4Search this product on Shodan
cpe:2.3:o:dlink:dns-1100-4_firmwareSearch this product on Shodan
cpe:2.3:h:dlink:dns-120Search this product on Shodan
cpe:2.3:h:dlink:dns-1200-05Search this product on Shodan
cpe:2.3:o:dlink:dns-1200-05_firmwareSearch this product on Shodan
cpe:2.3:o:dlink:dns-120_firmwareSearch this product on Shodan
cpe:2.3:h:dlink:dns-1550-04Search this product on Shodan
cpe:2.3:o:dlink:dns-1550-04_firmwareSearch this product on Shodan
cpe:2.3:h:dlink:dns-315lSearch this product on Shodan
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cpe:2.3:h:dlink:dns-320Search this product on Shodan
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cpe:2.3:h:dlink:dns-320lSearch this product on Shodan
cpe:2.3:o:dlink:dns-320l_firmwareSearch this product on Shodan
cpe:2.3:h:dlink:dns-320lwSearch this product on Shodan
cpe:2.3:o:dlink:dns-320lw_firmwareSearch this product on Shodan
cpe:2.3:h:dlink:dns-321Search this product on Shodan
cpe:2.3:o:dlink:dns-321_firmwareSearch this product on Shodan
cpe:2.3:h:dlink:dns-322lSearch this product on Shodan
cpe:2.3:o:dlink:dns-322l_firmwareSearch this product on Shodan
cpe:2.3:o:dlink:dns-323_firmwareSearch this product on Shodan

Exact CVE query

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Metadata

Canonical fields

NVD status

Analyzed

Published

Apr 1, 2026

Modified

Jun 17, 2026

Official record

Authoritative NVD record

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CWE IDs

Vendor classifications

How this vector reads

CVSS 4.0 base metrics decoded below. This explanation does not recalculate or change the NVD score.

Attack Vector (AV): Network. The vulnerable system can be reached across network boundaries.
Attack Complexity (AC): Low. No special conditions beyond the attacker-controlled steps are required.
Attack Requirements (AT): None. No prerequisite deployment or execution condition is required.
Privileges Required (PR): None. The attacker needs no privileges on the vulnerable system.
User Interaction (UI): None. Exploitation does not require a targeted user to act.
Vulnerable System Confidentiality (VC): Low. There is a limited impact to this security property.
Vulnerable System Integrity (VI): None. There is no direct impact to this security property.
Vulnerable System Availability (VA): None. There is no direct impact to this security property.
Subsequent System Confidentiality (SC): None. There is no direct impact to this security property.
Subsequent System Integrity (SI): None. There is no direct impact to this security property.
Subsequent System Availability (SA): None. There is no direct impact to this security property.

Optional CVSS v4 metrics remain in the raw vector; only base metrics are expanded here.

Signals

Exploitation indicators

0 stored signals · no KEV · 0 OTX pulses