What’s Vulnerable › Vulnerabilities

CVE-2022-38333

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-09-19 · updated 2026-06-17
• Weakness: CWE-125

Description

Openwrt before v21.02.3 and Openwrt v22.03.0-rc6 were discovered to contain two skip loops in the function header_value(). This vulnerability allows attackers to access sensitive information via a crafted HTTP request.

Affected products

• openwrt: before 21.02.3; 22.03.0-rc6 — fixed in 21.02.3

How to fix

Upgrade to a fixed version: openwrt 21.02.3. Check the vendor advisory for mitigations.

References

• https://git.openwrt.org/?p=project/cgi-io.git%3Ba=commit%3Bh=901b0f0463c9d16a8cf5b9ed37118d8484bc9176
• https://git.openwrt.org/?p=project/cgi-io.git%3Ba=commitdiff%3Bh=901b0f0463c9d16a8cf5b9ed37118d8484bc9176
• https://git.openwrt.org/?p=project/cgi-io.git%3Ba=patch%3Bh=901b0f0463c9d16a8cf5b9ed37118d8484bc9176
• https://git.openwrt.org/?p=project/cgi-io.git%3Ba=commit%3Bh=901b0f0463c9d16a8cf5b9ed37118d8484bc9176
• https://git.openwrt.org/?p=project/cgi-io.git%3Ba=commitdiff%3Bh=901b0f0463c9d16a8cf5b9ed37118d8484bc9176
• https://git.openwrt.org/?p=project/cgi-io.git%3Ba=patch%3Bh=901b0f0463c9d16a8cf5b9ed37118d8484bc9176

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