How severe is CVE-2019-7440?

CVE-2019-7440 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-7440 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-7440?

CVE-2019-7440 affects Jio Jiofi 4g M2s Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-7440?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-7440 published?

CVE-2019-7440 was published on 2019-03-21 and last updated on 2026-06-17.

CVE-2019-7440

CVE-2019-7440 is a medium-severity vulnerability in Jio Jiofi 4g M2s Firmware with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Jio Jiofi 4g M2s Firmware
Published: 2019-03-21
Last modified: 2026-06-17

Description

JioFi 4G M2S 1.0.2 devices have CSRF via the SSID name and Security Key field under Edit Wi-Fi Settings (aka a SetWiFi_Setting request to cgi-bin/qcmap_web_cgi).

Frequently asked questions

What is CVE-2019-7440?: JioFi 4G M2S 1.0.2 devices have CSRF via the SSID name and Security Key field under Edit Wi-Fi Settings (aka a SetWiFi_Setting request to cgi-bin/qcmap_web_cgi).
How severe is CVE-2019-7440?: CVE-2019-7440 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-7440 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-7440?: CVE-2019-7440 affects Jio Jiofi 4g M2s Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-7440?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-7440 published?: CVE-2019-7440 was published on 2019-03-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:jio:jiofi_4g_m2s_firmware:1.0.2:*:*:*:*:*:*:*

More vulnerabilities in Jio Jiofi 4g M2s Firmware

CVE-2019-7439 — Medium (CVSS 6.5): cgi-bin/qcmap_web_cgi on JioFi 4G M2S 1.0.2 devices allows a DoS (Hang) via the mask POST parameter.
CVE-2019-7438 — Medium (CVSS 6.1): cgi-bin/qcmap_web_cgi on JioFi 4G M2S 1.0.2 devices has XSS and HTML injection via the mask POST parameter.

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