CVE-2025-40718: Improper error handling vulnerability in versions prior to 4.7.0 of Quiter Gateway by Quiter

Q: How do I fix CVE-2025-40718?

quiter gateway: upgrade to 4.7.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-40718 being exploited?

CVE-2025-40718 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-40718 affect?

CVE-2025-40718 affects quiter gateway. Severity is high (CVSS 7.5). Improper error handling vulnerability in versions prior to 4.7.0 of Quiter Gateway by Quiter. This vulnerability allows an attacker to send malformed payloads to generate error messages containing sensitive information.

Q: How urgent is CVE-2025-40718?

Priority 40/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2025-40718 is a high-severity flaw (CVSS 7.5) affecting quiter gateway. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper error handling vulnerability in versions prior to 4.7.0 of Quiter Gateway by Quiter. This vulnerability allows an attacker to send malformed payloads to generate error messages containing sensitive information.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-209
Published	2025-07-08
Last modified	2026-06-17

Publisher (CNA): Spanish National Cybersecurity Institute, S.A. (INCIBE) · Vendor: quiter

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-07-08 12:15 UTCPublished CVE record published
2026-06-17 09:22 UTCUpdated Record last modified

quiter quiter gateway UPGRADE

Affected: < 4.7.0

Fixed in: 4.7.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy quiter-gateway || rpm -q quiter-gateway || quiter-gateway --version

2. UPGRADE to 4.7.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade quiter-gateway

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade quiter-gateway

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-40718?

quiter gateway: upgrade to 4.7.0. Exact commands for each OS are on this page.

Is CVE-2025-40718 being exploited?

CVE-2025-40718 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-40718 affect?

CVE-2025-40718 affects quiter gateway. Severity is high (CVSS 7.5). Improper error handling vulnerability in versions prior to 4.7.0 of Quiter Gateway by Quiter. This vulnerability allows an attacker to send malformed payloads to generate error messages containing sensitive information.

How urgent is CVE-2025-40718?

Priority 40/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-40721 MEDIUM 5.4 UPGRADE Reflected Cross-site Scripting (XSS) vulnerability in versions prior to 4.7.0 of Quiter Gateway by Quiter
CVE-2025-40720 MEDIUM 6.1 UPGRADE Reflected Cross-site Scripting (XSS) vulnerability in versions prior to 4.7.0 of Quiter Gateway by Quiter
CVE-2025-40719 MEDIUM 6.1 UPGRADE Reflected Cross-site Scripting (XSS) vulnerability in versions prior to 4.7.0 of Quiter Gateway by Quiter
CVE-2025-40717 CRITICAL 9.8 UPGRADE SQL injection vulnerability in versions prior to 4.7.0 of Quiter Gateway by Quiter
CVE-2025-40716 CRITICAL 9.8 UPGRADE SQL injection vulnerability in versions prior to 4.7.0 of Quiter Gateway by Quiter

References

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