Vulnerability-Lookup

CNVD-2021-04412

Vulnerability from cnvd - Published: 2021-01-20

Title

TP-Link TL-WR840N OS命令注入漏洞

Description

TP-LINK TL-WR840N是一款无线路由器，信道数为13，支持VPN功能。 TP-Link TL-WR840N 6_EU_0.9.1_4.16中的oal_ipt_addBridgeIsolationRules存在OS命令注入漏洞。该漏洞源于从Web界面输入的原始字符串直接被用于调用系统库功能。攻击者可利用该漏洞注入OS命令。

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.tp-link.com/hk/support/download/tl-wr840n/v6/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-36178

Impacted products

Name
TP-Link TL-WR840N 6_EU_0.9.1_4.16

Show details on source website

JSON

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-36178",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-36178"
    }
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  "description": "TP-LINK TL-WR840N\u662f\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\uff0c\u4fe1\u9053\u6570\u4e3a13\uff0c\u652f\u6301VPN\u529f\u80fd\u3002\n\nTP-Link TL-WR840N 6_EU_0.9.1_4.16\u4e2d\u7684oal_ipt_addBridgeIsolationRules\u5b58\u5728OS\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4eceWeb\u754c\u9762\u8f93\u5165\u7684\u539f\u59cb\u5b57\u7b26\u4e32\u76f4\u63a5\u88ab\u7528\u4e8e\u8c03\u7528\u7cfb\u7edf\u5e93\u529f\u80fd\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6ce8\u5165OS\u547d\u4ee4\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.tp-link.com/hk/support/download/tl-wr840n/v6/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-04412",
  "openTime": "2021-01-20",
  "products": {
    "product": "TP-Link TL-WR840N 6_EU_0.9.1_4.16"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-36178",
  "serverity": "\u9ad8",
  "submitTime": "2021-01-07",
  "title": "TP-Link TL-WR840N OS\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2020-36178 (GCVE-0-2020-36178)

Vulnerability from cvelistv5 – Published: 2021-01-06 20:57 – Updated: 2024-08-04 17:23

Summary

oal_ipt_addBridgeIsolationRules on TP-Link TL-WR840N 6_EU_0.9.1_4.16 devices allows OS command injection because a raw string entered from the web interface (an IP address field) is used directly for a call to the system library function (for iptables). NOTE: oal_ipt_addBridgeIsolationRules is not the only function that calls util_execSystem.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://www.tp-link.com/fr/support/download/tl-wr…	x_refsource_MISC
	https://therealunicornsecurity.github.io/TPLink/	x_refsource_MISC
	https://github.com/therealunicornsecurity/thereal…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2021-04412

CVE-2020-36178 (GCVE-0-2020-36178)

Tags

Sightings

Nomenclature