Is this vulnerability remotely exploitable?

Yes. As long as the nginx endpoint is network-accessible, an attacker can remotely send crafted HTTP requests with malicious query parameters to attempt path traversal.

Does an attacker need authenticated access to exploit this?

Not necessarily. If the vulnerable nginx location is exposed without authentication, an unauthenticated attacker can exploit it. If the affected paths are behind login, then valid credentials (or session) would be required.

What is the safest general fix pattern?

The safest pattern is to decouple path resolution from query parameters: avoid concatenating `$uri` and `$args`, strictly constrain all paths to a defined document root, and enforce path normalization with explicit rejection of traversal sequences.

Severity:

HIGH RISK

(7.5)

Path Traversal via $uri$args Concatenation (CWE-22) in OSIM Nginx Configuration

CVE-2026-1616

Published:

Jan 29, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

Remote Code Execution on the Router

April 6, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Remote Code Execution on Router Firmware

April 6, 2026

Vulnerability Type

Category:

Path Traversal

CWE:

CWE-22

Impact:

Unauthorized File Access / Path Traversal

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

Vulnerability Type

Category:

Path Traversal

CWE:

CWE-22

Impact:

Unauthorized File Access / Path Traversal

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

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Ask AI for summary of CodeAnt

Path Traversal via $uri$args Concatenation (CWE-22) in OSIM Nginx Configuration

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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