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CVE-2025-13547— D-Link DIR-822K/DWR-M920 formDdns memory corruption

Quick assessment

Affected
D-Link DIR-822K
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

D-Link DWR-M920和D-Link DIR-822K都是中国友讯（D-Link）公司的产品。D-Link DWR-M920是一款路由器。D-Link DIR-822K是一款无线路由器。 D-Link DWR-M920和D-Link DIR-822K 1.00_20250513164613/1.1.50版本存在缓冲区错误漏洞，该漏洞源于文件/boafrm/formDdns中参数submit-url的错误操作，可能导致内存损坏。

CVSS 8.8 · High EPSS 0.74% · P52

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-13547

Vulnerability Information
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Vulnerability Title
D-Link DIR-822K/DWR-M920 formDdns memory corruption
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in D-Link DIR-822K and DWR-M920 1.00_20250513164613/1.1.50. This affects an unknown part of the file /boafrm/formDdns. This manipulation of the argument submit-url causes memory corruption. The attack may be initiated remotely. The exploit has been published and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
D-Link DWR-M920和D-Link DIR-822K 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DWR-M920和D-Link DIR-822K都是中国友讯（D-Link）公司的产品。D-Link DWR-M920是一款路由器。D-Link DIR-822K是一款无线路由器。 D-Link DWR-M920和D-Link DIR-822K 1.00_20250513164613/1.1.50版本存在缓冲区错误漏洞，该漏洞源于文件/boafrm/formDdns中参数submit-url的错误操作，可能导致内存损坏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
D-Link DIR-822K 1.00_20250513164613 -
D-Link DWR-M920 1.00_20250513164613 -

II. Public POCs for CVE-2025-13547

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 4732 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2025-13547

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Proof of Concept for CVE-2025-13547 (1)

Vendor Pages for CVE-2025-13547 (1)

Same Patch Batch · D-Link · 2025-11-23 · 8 CVEs total

CVE-2025-13553 8.8 HIGH D-Link DWR-M920 formPinManageSetup sub_41C7FC buffer overflow
CVE-2025-13552 8.8 HIGH D-Link DIR-822K/DWR-M920 formWlEncrypt buffer overflow
CVE-2025-13551 8.8 HIGH D-Link DIR-822K/DWR-M920 formWanConfigSetup buffer overflow
CVE-2025-13550 8.8 HIGH D-Link DIR-822K/DWR-M920 formVpnConfigSetup buffer overflow
CVE-2025-13549 8.8 HIGH D-Link DIR-822K formNtp sub_455524 buffer overflow
CVE-2025-13548 8.8 HIGH D-Link DIR-822K/DWR-M920 formFirewallAdv buffer overflow
CVE-2025-13562 7.3 HIGH D-Link DIR-852 gena.cgi command injection

IV. Related Vulnerabilities

Same product: DIR-822K
Same vendor: D-Link
Same weakness: CWE-119

V. Comments for CVE-2025-13547

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