CVE-2023-49042
CVE-2023-49042 is a critical-severity vulnerability in Tenda Ax1803 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-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (69th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Tenda Ax1803 Firmware
- Published:
- Last modified:
Description
Heap Overflow vulnerability in Tenda AX1803 v.1.0.0.1 allows a remote attacker to execute arbitrary code via the schedStartTime parameter or the schedEndTime parameter in the function setSchedWifi.
Frequently asked questions
- What is CVE-2023-49042?
- Heap Overflow vulnerability in Tenda AX1803 v.1.0.0.1 allows a remote attacker to execute arbitrary code via the schedStartTime parameter or the schedEndTime parameter in the function setSchedWifi.
- How severe is CVE-2023-49042?
- CVE-2023-49042 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-2023-49042 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-49042?
- CVE-2023-49042 affects Tenda Ax1803 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-49042?
- 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-2023-49042 published?
- CVE-2023-49042 was published on 2023-11-27 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:tenda:ax1803_firmware:1.0.0.1:*:*:*:*:*:*:*
More vulnerabilities in Tenda Ax1803 Firmware
- CVE-2024-30621 — Critical (CVSS 9.8): Tenda AX1803 v1.0.0.1 contains a stack overflow via the serverName parameter in the function fromAdvSetMacMtuWan.
- CVE-2024-30620 — Critical (CVSS 9.8): Tenda AX1803 v1.0.0.1 contains a stack overflow via the serviceName parameter in the function fromAdvSetMacMtuWan.
- CVE-2023-51970 — Critical (CVSS 9.8): Tenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.stb.mode parameter in the function formSetIptv.
- CVE-2023-51969 — Critical (CVSS 9.8): Tenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function getIptvInfo.
- CVE-2023-51968 — Critical (CVSS 9.8): Tenda AX1803 v1.0.0.1 contains a stack overflow via the adv.iptv.stballvlans parameter in the function getIptvInfo.
- CVE-2023-51967 — Critical (CVSS 9.8): Tenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.stb.port parameter in the function getIptvInfo.
All CVEs affecting Tenda Ax1803 Firmware →
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