How severe is CVE-2018-19528?

CVE-2018-19528 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-2018-19528 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-19528?

CVE-2018-19528 affects Tp-link Tl-wr886n Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-19528?

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-2018-19528 published?

CVE-2018-19528 was published on 2018-11-26 and last updated on 2026-06-17.

CVE-2018-19528

CVE-2018-19528 is a critical-severity vulnerability in Tp-link Tl-wr886n Firmware with a CVSS 3.x base score of 9.8. 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-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Tp-link Tl-wr886n Firmware
Published: 2018-11-26
Last modified: 2026-06-17

Description

TP-Link TL-WR886N 7.0 1.1.0 devices allow remote attackers to cause a denial of service (Tlb Load Exception) via crafted DNS packets to port 53/udp.

Frequently asked questions

What is CVE-2018-19528?: TP-Link TL-WR886N 7.0 1.1.0 devices allow remote attackers to cause a denial of service (Tlb Load Exception) via crafted DNS packets to port 53/udp.
How severe is CVE-2018-19528?: CVE-2018-19528 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-2018-19528 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-19528?: CVE-2018-19528 affects Tp-link Tl-wr886n Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-19528?: 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-2018-19528 published?: CVE-2018-19528 was published on 2018-11-26 and last updated on 2026-06-17.

References

https://github.com/PAGalaxyLab/VulInfo/blob/master/TP-Link/WR886N/dns_request_buff_overflow/README.md

Affected products (1)

cpe:2.3:o:tp-link:tl-wr886n_firmware:7.0.1.1.0:*:*:*:*:*:*:*

More vulnerabilities in Tp-link Tl-wr886n Firmware

CVE-2023-46539 — Critical (CVSS 9.8): TP-LINK TL-WR886N V7.0_3.0.14_Build_221115_Rel.56908n.bin was discovered to contain a stack overflow via the function…
CVE-2023-46538 — Critical (CVSS 9.8): TP-LINK TL-WR886N V7.0_3.0.14_Build_221115_Rel.56908n.bin was discovered to contain a stack overflow via the function…
CVE-2023-46537 — Critical (CVSS 9.8): TP-LINK TL-WR886N V7.0_3.0.14_Build_221115_Rel.56908n.bin was discovered to contain a stack overflow via the function…
CVE-2023-46536 — Critical (CVSS 9.8): TP-LINK TL-WR886N V7.0_3.0.14_Build_221115_Rel.56908n.bin was discovered to contain a stack overflow via the function…
CVE-2023-46535 — Critical (CVSS 9.8): TP-LINK TL-WR886N V7.0_3.0.14_Build_221115_Rel.56908n.bin was discovered to contain a stack overflow via the function…
CVE-2023-46534 — Critical (CVSS 9.8): TP-LINK TL-WR886N V7.0_3.0.14_Build_221115_Rel.56908n.bin was discovered to contain a stack overflow via the function…

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