PT-2026-25566 · D Link · Dns-340L+18

Pjq123 · CVE-2026-4214 · Publicado 2026-03-03 · Atualizado 2026-03-16

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Crítica

Vetor base

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions D-Link DNS-120 D-Link DNR-202L D-Link DNS-315L D-Link DNS-320 D-Link DNS-320L D-Link DNS-320LW D-Link DNS-321 D-Link DNR-322L D-Link DNS-323 D-Link DNS-325 D-Link DNS-326 D-Link DNS-327L D-Link DNR-326 D-Link DNS-340L D-Link DNS-343 D-Link DNS-345 D-Link DNS-726-4 D-Link DNS-1100-4 D-Link DNS-1200-05 D-Link DNS-1550-04 versions prior to 20260205

Description A flaw exists in the UPnP AV Server Path Setting function within the /cgi-bin/app mgr.cgi file of the listed D-Link devices. A manipulation of this function can lead to a stack-based buffer overflow, which can be triggered remotely. An exploit for this issue has been published and is available for use.

Recommendations D-Link DNS-120: Update to a version later than 20260205. D-Link DNR-202L: Update to a version later than 20260205. D-Link DNS-315L: Update to a version later than 20260205. D-Link DNS-320: Update to a version later than 20260205. D-Link DNS-320L: Update to a version later than 20260205. D-Link DNS-320LW: Update to a version later than 20260205. D-Link DNS-321: Update to a version later than 20260205. D-Link DNR-322L: Update to a version later than 20260205. D-Link DNS-323: Update to a version later than 20260205. D-Link DNS-325: Update to a version later than 20260205. D-Link DNS-326: Update to a version later than 20260205. D-Link DNS-327L: Update to a version later than 20260205. D-Link DNR-326: Update to a version later than 20260205. D-Link DNS-340L: Update to a version later than 20260205. D-Link DNS-343: Update to a version later than 20260205. D-Link DNS-345: Update to a version later than 20260205. D-Link DNS-726-4: Update to a version later than 20260205. D-Link DNS-1100-4: Update to a version later than 20260205. D-Link DNS-1200-05: Update to a version later than 20260205. D-Link DNS-1550-04: Update to a version later than 20260205.

Exploit

Correção

Buffer Overflow

Stack Overflow

Memory Corruption

Enumeração de Fraquezas

CWE-119

CWE-121

CWE-787

Identificadores relacionados

BDU:2026-09501

CVE-2026-4214

Produtos afetados

Dnr-202L

Dnr-322L

Dnr-326

Dns-1100-4

Dns-120

Dns-1200-05

Dns-1550-04

Dns-315L

Dns-320

Dns-320L

Dns-321

Dns-323

Dns-325

Dns-326

Dns-327L

Dns-340L

Dns-343

Dns-345

Dns-726-4

Referências · 11

• 🔥❌ https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_164/164.md · Exploit, Deleted
• https://vuldb.com/?submit.770445 · Nota
• https://dlink.com · Nota
• https://twitter.com/vuldb/status/2033153781379350553 · Publicação no Twitter
• https://vuldb.com/?ctiid.351125 · Nota
• https://vuldb.com/?id.351125 · Nota
• https://bdu.fstec.ru/vul/2026-09501 · Nota de Segurança
• https://twitter.com/ptdbugs/status/2033448340000543214 · Publicação no Twitter
• https://twitter.com/CveFindCom/status/2033585130556522614 · Publicação no Twitter
• https://t.me/CVEtracker/47499 · Publicação no Telegram
• https://nvd.nist.gov/vuln/detail/CVE-2026-4214 · Nota de Segurança