How severe is CVE-2018-12257?

CVE-2018-12257 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-12257 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12257?

CVE-2018-12257 affects Apollotechnologiesinc Momentum Axel 720p Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-12257?

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

When was CVE-2018-12257 published?

CVE-2018-12257 was published on 2018-06-12 and last updated on 2026-06-17.

CVE-2018-12257

CVE-2018-12257 is a medium-severity vulnerability in Apollotechnologiesinc Momentum Axel 720p Firmware with a CVSS 3.x base score of 4.4. 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-295.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v2: 2.1
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Apollotechnologiesinc Momentum Axel 720p Firmware
Published: 2018-06-12
Last modified: 2026-06-17

Description

An issue was discovered on Momentum Axel 720P 5.1.8 devices. There is Authenticated Custom Firmware Upgrade via DNS Hijacking. An authenticated root user with CLI access is able to remotely upgrade firmware to a custom image due to lack of SSL validation by changing the nameservers in /etc/resolv.conf to the attacker's server, and serving the expected HTTPS response containing new firmware for the device to download.

Frequently asked questions

What is CVE-2018-12257?: An issue was discovered on Momentum Axel 720P 5.1.8 devices. There is Authenticated Custom Firmware Upgrade via DNS Hijacking. An authenticated root user with CLI access is able to remotely upgrade firmware to a custom image due to lack of SSL validation by changing the nameservers in /etc/resolv.conf to the attacker's server, and serving the expected HTTPS response containing new firmware for the device to download.
How severe is CVE-2018-12257?: CVE-2018-12257 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-12257 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12257?: CVE-2018-12257 affects Apollotechnologiesinc Momentum Axel 720p Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-12257?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-12257 published?: CVE-2018-12257 was published on 2018-06-12 and last updated on 2026-06-17.

References

https://rchase.com/downloads/momentum-iot-penetration-test-report.pdf

Affected products (1)

cpe:2.3:o:apollotechnologiesinc:momentum_axel_720p_firmware:5.1.8:*:*:*:*:*:*:*

More vulnerabilities in Apollotechnologiesinc Momentum Axel 720p Firmware

CVE-2018-12323 — Medium (CVSS 6.8): An issue was discovered on Momentum Axel 720P 5.1.8 devices. A password of EHLGVG is hard-coded for the root and admin…
CVE-2018-12259 — Medium (CVSS 6.8): An issue was discovered on Momentum Axel 720P 5.1.8 devices. Root access can be obtained via UART pins without any…
CVE-2018-12258 — Medium (CVSS 6.8): An issue was discovered on Momentum Axel 720P 5.1.8 devices. Custom Firmware Upgrade is possible via an SD Card. With…
CVE-2018-12260 — Medium (CVSS 6.7): An issue was discovered on Momentum Axel 720P 5.1.8 devices. The root password can be obtained in cleartext by issuing…
CVE-2018-12261 — Medium (CVSS 4.4): An issue was discovered on Momentum Axel 720P 5.1.8 devices. All processes run as root.

All CVEs affecting Apollotechnologiesinc Momentum Axel 720p Firmware →

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