Vulnerability-Lookup

CNVD-2025-02591

Vulnerability from cnvd - Published: 2025-02-07

Title

Linksys WRT54GL拒绝服务漏洞

Description

Linksys WRT54GL是美国Linksys公司的一款无线路由器。 Linksys WRT54GL Wireless-G Broadband Router 4.30.18.006版本及之前版本存在拒绝服务漏洞，该漏洞源于upnp 二进制文件中 soap_action 函数中的存在空指针取消引用。攻击者可利用该漏洞导致拒绝服务攻击。

Severity

高

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://www.linksys.com/

Reference

https://youtu.be/73-1lhvJPNg

Impacted products

Name
Linksys WRT54GL <=4.30.18.006

Show details on source website

JSON

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    "cve": {
      "cveNumber": "CVE-2022-43972",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-43972"
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  "description": "Linksys WRT54GL\u662f\u7f8e\u56fdLinksys\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\nLinksys WRT54GL Wireless-G Broadband Router 4.30.18.006\u7248\u672c\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eupnp \u4e8c\u8fdb\u5236\u6587\u4ef6\u4e2d soap_action \u51fd\u6570\u4e2d\u7684\u5b58\u5728\u7a7a\u6307\u9488\u53d6\u6d88\u5f15\u7528\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://www.linksys.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-02591",
  "openTime": "2025-02-07",
  "products": {
    "product": "Linksys WRT54GL \u003c=4.30.18.006"
  },
  "referenceLink": "https://youtu.be/73-1lhvJPNg",
  "serverity": "\u9ad8",
  "submitTime": "2023-01-11",
  "title": "Linksys WRT54GL\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2022-43972 (GCVE-0-2022-43972)

Vulnerability from cvelistv5 – Published: 2023-01-09 00:00 – Updated: 2025-04-09 14:22

Title

Null pointer dereference in Linksys WRT54GL

Summary

A null pointer dereference vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. A null pointer dereference in the soap_action function within the upnp binary can be triggered by an unauthenticated attacker via a malicious POST request invoking the AddPortMapping action.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-09 14:21 UTC

CWE

CWE-476 - NULL Pointer Dereference

Assigner

trellix mitre root Scorecard

References

3 references

URL	Tags
https://youtu.be/73-1lhvJPNg
https://youtu.be/TeWAmZaKQ_w
https://youtu.be/RfWVYCUBNZ0

Impacted products

1 product

Vendor	Product	Version
Linksys	WRT54GL Wireless-G Broadband Router	Affected: Firmware , ≤ 4.30.18.006 (custom)

Credits

Jessie Chick of Trellix ARC

Show details on NVD website

JSON

To clipboard

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            "attackVector": "ADJACENT_NETWORK",
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            "baseScore": 6.5,
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    "dateReserved": "2022-10-28T00:00:00.000Z",
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

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Confirmed: The vulnerability has been validated from an analyst's perspective.
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Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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CNVD-2025-02591

CVE-2022-43972 (GCVE-0-2022-43972)

Tags

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