How severe is CVE-2014-6436?

CVE-2014-6436 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2014-6436 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 42% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-6436?

CVE-2014-6436 primarily affects Aztech Adsl Dsl5018en (1t1r) Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-6436?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2014-6436 published?

CVE-2014-6436 was published on 2018-01-12 and last updated on 2026-06-17.

CVE-2014-6436

CVE-2014-6436 is a critical-severity vulnerability in Aztech Adsl Dsl5018en (1t1r) Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 42% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 42% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Aztech Adsl Dsl5018en (1t1r) Firmware
Published: 2018-01-12
Last modified: 2026-06-17

Description

Aztech ADSL DSL5018EN (1T1R), DSL705E, and DSL705EU devices improperly manage sessions, which allows remote attackers to bypass authentication in opportunistic circumstances and execute arbitrary commands with administrator privileges by leveraging an existing web portal login.

Frequently asked questions

What is CVE-2014-6436?: Aztech ADSL DSL5018EN (1T1R), DSL705E, and DSL705EU devices improperly manage sessions, which allows remote attackers to bypass authentication in opportunistic circumstances and execute arbitrary commands with administrator privileges by leveraging an existing web portal login.
How severe is CVE-2014-6436?: CVE-2014-6436 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2014-6436 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 42% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-6436?: CVE-2014-6436 primarily affects Aztech Adsl Dsl5018en (1t1r) Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-6436?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2014-6436 published?: CVE-2014-6436 was published on 2018-01-12 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:aztech:adsl_dsl5018en_\(1t1r\)_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:aztech:dsl705e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:aztech:dsl705eu_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Aztech Adsl Dsl5018en (1t1r) Firmware

CVE-2014-6437 — Critical (CVSS 9.8): Aztech ADSL DSL5018EN (1T1R), DSL705E, and DSL705EU devices allow remote attackers to obtain sensitive device…
CVE-2014-6435 — High (CVSS 7.5): cgi-bin/AZ_Retrain.cgi in Aztech ADSL DSL5018EN (1T1R), DSL705E, and DSL705EU devices does not check for…

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Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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