CVE-2017-2273: Cross-site request forgery (CSRF) vulnerability in WMR-433 firmware Ver.1.02 and earlier, WMR-433W firmware Ve

Q: How do I fix CVE-2017-2273?

wmr-433 firmware: upgrade to newer than 1.02; wmr-433w firmware: upgrade to newer than 1.40. Exact commands for each OS are on this page.

Q: Is CVE-2017-2273 being exploited?

CVE-2017-2273 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-2017-2273 affect?

CVE-2017-2273 affects wmr-433 firmware, wmr-433w firmware. Severity is high (CVSS 8.8). Cross-site request forgery (CSRF) vulnerability in WMR-433 firmware Ver.1.02 and earlier, WMR-433W firmware Ver.1.40 and earlier allows remote attackers to hijack the authentication of administrators via unspecified vectors.

This month

HIGH 8.8UPGRADEUPGRADE

CVE-2017-2273 is a high-severity flaw (CVSS 8.8) affecting wmr-433 firmware, wmr-433w firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site request forgery (CSRF) vulnerability in WMR-433 firmware Ver.1.02 and earlier, WMR-433W firmware Ver.1.40 and earlier allows remote attackers to hijack the authentication of administrators via unspecified vectors.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-352
Published	2017-07-22
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: buffalo

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

Am I affected?

Timeline

2017-07-22 00:29 UTCPublished CVE record published
2026-06-17 01:15 UTCUpdated Record last modified

buffalo wmr-433 firmware UPGRADE

Affected: <= 1.02

Fixed in: newer than 1.02

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

buffalo wmr-433w firmware UPGRADE

Affected: <= 1.40

Fixed in: newer than 1.40

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2017-2273?

wmr-433 firmware: upgrade to newer than 1.02; wmr-433w firmware: upgrade to newer than 1.40. Exact commands for each OS are on this page.

Is CVE-2017-2273 being exploited?

CVE-2017-2273 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-2017-2273 affect?

CVE-2017-2273 affects wmr-433 firmware, wmr-433w firmware. Severity is high (CVSS 8.8). Cross-site request forgery (CSRF) vulnerability in WMR-433 firmware Ver.1.02 and earlier, WMR-433W firmware Ver.1.40 and earlier allows remote attackers to hijack the authentication of administrators via unspecified vectors.

How urgent is CVE-2017-2273?

Priority 45/100. High severity

Related CVEs

CVE-2017-2274 MEDIUM 6.1 UPGRADE UPGRADE Cross-site scripting vulnerability in WMR-433 firmware Ver.1.02 and earlier, WMR-433W firmware Ver.1.40 and ea
CVE-2016-1135 MEDIUM 6.1 MITIGATE MITIGATE Cross-site scripting (XSS) vulnerability on BUFFALO BHR-4GRV2 devices with firmware 1.04 and earlier, WEX-300

References

← Back to latest CVEs