VulnSocial

CVE-2021-1931Exploit(qualcomm / aqt1000)

MEDIUMCVSS 6.7 · MEDIUM

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Prioritize remediation for qualcomm aqt1000 systems immediately
  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft
  • Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

Possible buffer overflow due to improper validation of buffer length while processing fast boot commands in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

qualcomm CVEsBack to dashboard
4.0/ 10 priority

Sources & remediation

Patch / fix
Weakness type (CWE)
CWE-120

Priority

MEDIUM

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • aqt1000
  • aqt1000_firmware
  • ar8031
  • ar8031_firmware

Threat summary

  • Public PoC and exploit tooling are both present
  • 8 mentions across 5 observed days
  • Momentum state: stable

What's happening

  • Exploit tool or code specified in 2 signals
  • PoC mentioned or linked in 7 signals
  • General: 2 classified signals
  • Peaked 2d ago at 3 mentions (2026-03-22); latest day: 1
  • 8 total mentions across 5 days

Affected systems

Vendors
qualcomm
Products
aqt1000aqt1000_firmwarear8031ar8031_firmwarear8035ar8035_firmwarecsra6620csra6620_firmwarecsra6640csra6640_firmware

1 version affected across 242 products

Deep dive

Activity timeline8 mentions / 5d
01223Mentions · 2026-03-13: 2Mentions · 2026-03-19: 1Mentions · 2026-03-22: 3Mentions · 2026-03-24: 1Mentions · 2026-03-26: 1PoC Mentioned / Linked · 2026-03-13: 2PoC Mentioned / Linked · 2026-03-19: 1PoC Mentioned / Linked · 2026-03-22: 2PoC Mentioned / Linked · 2026-03-24: 1PoC Mentioned / Linked · 2026-03-26: 1Exploit Tool / Code · 2026-03-13: 203-1303-1903-2203-2403-26
Signal classification3 categories
Exploit
337.5%
PoC
337.5%
General
225.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-03-132
Exploit2
2026-03-191
Exploit1
2026-03-223
General2PoC1
2026-03-241
PoC1
2026-03-261
PoC1
Full discourse8 posts
  • 竹林人間🍣🍊3g+◢@Chromium_Linux
    General

    やり方です。 https://xdaforums.com/t/xz1c-xz1-xzp-xperable-xperia-abl-fastboot-exploit-cve-2021-1931.4771931/

    Post summary

    The excerpt simply refers to a forum link with a brief note for instructions, offering no concrete details on PoC, exploit code, or mitigation.

    00022334.2K
    8.5K followersView on X
  • Nt Xp@NtXp85
    Exploit

    @SonyiPhone84550 https://xdaforums.com/t/xz1c-xz1-xzp-xperable-xperia-abl-fastboot-exploit-cve-2021-1931.4771931/ のzipを解凍してlinuxとかで実行した

    Post summary

    The text indicates that a functional exploit for CVE‑2021‑1931 has been released via a forum thread, and the user executed the provided code on Linux; no evidence of active exploitation or patches is mentioned.

    120814834
    1.4K followersView on X
  • Nt Xp@NtXp85
    Exploit

    @410keouL4B34797 https://xdaforums.com/t/xz1c-xz1-xzp-xperable-xperia-abl-fastboot-exploit-cve-2021-1931.4771931/ これ 解凍してLinuxでペリアをfastboot mode実行すればたまにいける うまくいかなかったら何回か試したりxperiaの泥ver変えてみて

    Post summary

    The tweet references a forum thread that offers executable code for exploiting CVE‑2021‑1931 on Xperia devices via fastboot, with indications it works intermittently on Linux.

    100710417
    1.4K followersView on X
  • 竹林人間🍣🍊3g+◢@Chromium_Linux
    PoC

    @hikahika72 どうやらブートローダの脆弱性を使うとoemコマンドが打てるようになるっぽく、BLUできます。(詳しい仕組みまではわからない) https://xdaforums.com/t/xz1c-xz1-xzp-xperable-xperia-abl-fastboot-exploit-cve-2021-1931.4771931/

    Post summary

    The tweet signals a potential bootloader issue (CVE‑2021‑1931) that could enable OEM commands and BLU, with a linked forum post suggesting a PoC, but lacks concrete exploit details, confirmation of in‑the‑wild use, or patch information.

    100871.8K
    8.5K followersView on X
  • Nt Xp@NtXp85
    Exploit

    @mutsukitan https://xdaforums.com/t/xz1c-xz1-xzp-xperable-xperia-abl-fastboot-exploit-cve-2021-1931.4771931 のxperable使った

    Post summary

    The tweet shares a forum link that appears to host an exploit (PoC) for CVE‑2021‑1931, but provides no details about active exploitation, patches, or technical specifics.

    01035437
    1.4K followersView on X
  • Nt Xp@NtXp85
    PoC

    @Junktamat わかりました！！ https://xdaforums.com/t/xz1c-xz1-xzp-xperable-xperia-abl-fastboot-exploit-cve-2021-1931.4771931/ のSETUP FOR YOSHINO​のところに詳細が書いています！！ 分からないところがあったらまた聞いてください！！

    Post summary

    The post shares a forum link that presumably contains a Proof of Concept for CVE‑2021‑1931. No exploit details, active use, or patch information are presented.

    20012263
    1.4K followersView on X
  • ora@ora888a
    PoC

    海外の有能ニキによる神解説 https://xdaforums.com/t/xz1c-xz1-xzp-xperable-xperia-abl-fastboot-exploit-cve-2021-1931.4771931/

    Post summary

    The post links to a forum thread that likely contains a proof of concept for CVE‑2021‑1931, but no further details are present in the excerpt.

    00000176
    11 followersView on X
  • 顔面CIoverWorks@miu_taku_
    General

    国内版ペリアで脆弱性突くことでBLUできるってマ？ https://xdaforums.com/t/xz1c-xz1-xzp-xperable-xperia-abl-fastboot-exploit-cve-2021-1931.4771931/

    Post summary

    The user questions whether the domestic Xperia version can be BLU via CVE‑2021‑1931 and links to an XDA thread that likely contains exploit details, but no further information is provided in the text itself.

    00000140
    219 followersView on X
CPE platform detail242 entries

242 of 242 entries

PartVendorProductVersionTarget SWTarget HW
HWqualcommaqt1000---
OSqualcommaqt1000_firmware---
HWqualcommar8031---
OSqualcommar8031_firmware---
HWqualcommar8035---
OSqualcommar8035_firmware---
HWqualcommcsra6620---
OSqualcommcsra6620_firmware---
HWqualcommcsra6640---
OSqualcommcsra6640_firmware---
HWqualcommcsrb31024---
OSqualcommcsrb31024_firmware---
HWqualcommfsm10055---
OSqualcommfsm10055_firmware---
HWqualcommfsm10056---
OSqualcommfsm10056_firmware---
HWqualcommqca6174a---
OSqualcommqca6174a_firmware---
HWqualcommqca6310---
OSqualcommqca6310_firmware---
HWqualcommqca6320---
OSqualcommqca6320_firmware---
HWqualcommqca6335---
OSqualcommqca6335_firmware---
HWqualcommqca6390---
OSqualcommqca6390_firmware---
HWqualcommqca6391---
OSqualcommqca6391_firmware---
HWqualcommqca6420---
OSqualcommqca6420_firmware---
HWqualcommqca6421---
OSqualcommqca6421_firmware---
HWqualcommqca6426---
OSqualcommqca6426_firmware---
HWqualcommqca6430---
OSqualcommqca6430_firmware---
HWqualcommqca6431---
OSqualcommqca6431_firmware---
HWqualcommqca6436---
OSqualcommqca6436_firmware---
HWqualcommqca6564---
OSqualcommqca6564_firmware---
HWqualcommqca6564a---
OSqualcommqca6564a_firmware---
HWqualcommqca6564au---
OSqualcommqca6564au_firmware---
HWqualcommqca6574---
OSqualcommqca6574_firmware---
HWqualcommqca6574a---
OSqualcommqca6574a_firmware---
HWqualcommqca6574au---
OSqualcommqca6574au_firmware---
HWqualcommqca6584au---
OSqualcommqca6584au_firmware---
HWqualcommqca6595au---
OSqualcommqca6595au_firmware---
HWqualcommqca6696---
OSqualcommqca6696_firmware---
HWqualcommqca8337---
OSqualcommqca8337_firmware---
HWqualcommqca9377---
OSqualcommqca9377_firmware---
HWqualcommqcm2290---
OSqualcommqcm2290_firmware---
HWqualcommqcm4290---
OSqualcommqcm4290_firmware---
HWqualcommqcm6125---
OSqualcommqcm6125_firmware---
HWqualcommqcs2290---
OSqualcommqcs2290_firmware---
HWqualcommqcs405---
OSqualcommqcs405_firmware---
HWqualcommqcs410---
OSqualcommqcs410_firmware---
HWqualcommqcs4290---
OSqualcommqcs4290_firmware---
HWqualcommqcs603---
OSqualcommqcs603_firmware---
HWqualcommqcs605---
OSqualcommqcs605_firmware---
HWqualcommqcs610---
OSqualcommqcs610_firmware---
HWqualcommqcs6125---
OSqualcommqcs6125_firmware---
HWqualcommsa415m---
OSqualcommsa415m_firmware---
HWqualcommsa6145p---
OSqualcommsa6145p_firmware---
HWqualcommsa6150p---
OSqualcommsa6150p_firmware---
HWqualcommsa6155---
OSqualcommsa6155_firmware---
HWqualcommsa6155p---
OSqualcommsa6155p_firmware---
HWqualcommsa8145p---
OSqualcommsa8145p_firmware---
HWqualcommsa8150p---
OSqualcommsa8150p_firmware---
HWqualcommsa8155---
OSqualcommsa8155_firmware---
HWqualcommsa8155p---
OSqualcommsa8155p_firmware---
HWqualcommsa8195p---
OSqualcommsa8195p_firmware---
HWqualcommsd460---
OSqualcommsd460_firmware---
HWqualcommsd480---
OSqualcommsd480_firmware---
HWqualcommsd660---
OSqualcommsd660_firmware---
HWqualcommsd662---
OSqualcommsd662_firmware---
HWqualcommsd665---
OSqualcommsd665_firmware---
HWqualcommsd670---
OSqualcommsd670_firmware---
HWqualcommsd675---
OSqualcommsd675_firmware---
HWqualcommsd678---
OSqualcommsd678_firmware---
HWqualcommsd690_5g---
OSqualcommsd690_5g_firmware---
HWqualcommsd710---
OSqualcommsd710_firmware---
HWqualcommsd720g---
OSqualcommsd720g_firmware---
HWqualcommsd730---
OSqualcommsd730_firmware---
HWqualcommsd750g---
OSqualcommsd750g_firmware---
HWqualcommsd765---
OSqualcommsd765_firmware---
HWqualcommsd765g---
OSqualcommsd765g_firmware---
HWqualcommsd768g---
OSqualcommsd768g_firmware---
HWqualcommsd778g---
OSqualcommsd778g_firmware---
HWqualcommsd780g---
OSqualcommsd780g_firmware---
HWqualcommsd835---
OSqualcommsd835_firmware---
HWqualcommsd845---
OSqualcommsd845_firmware---
HWqualcommsd855---
OSqualcommsd855_firmware---
HWqualcommsd865_5g---
OSqualcommsd865_5g_firmware---
HWqualcommsd870---
OSqualcommsd870_firmware---
HWqualcommsd888---
HWqualcommsd888_5g---
OSqualcommsd888_5g_firmware---
OSqualcommsd888_firmware---
HWqualcommsd_636---
OSqualcommsd_636_firmware---
HWqualcommsd_675---
OSqualcommsd_675_firmware---
HWqualcommsd_8c---
OSqualcommsd_8c_firmware---
HWqualcommsd_8cx---
OSqualcommsd_8cx_firmware---
HWqualcommsdm630---
OSqualcommsdm630_firmware---
HWqualcommsdm830---
OSqualcommsdm830_firmware---
HWqualcommsdx24---
OSqualcommsdx24_firmware---
HWqualcommsdx50m---
OSqualcommsdx50m_firmware---
HWqualcommsdx55---
OSqualcommsdx55_firmware---
HWqualcommsdx55m---
OSqualcommsdx55m_firmware---
HWqualcommsdxr1---
OSqualcommsdxr1_firmware---
HWqualcommsdxr2_5g---
OSqualcommsdxr2_5g_firmware---
HWqualcommsm4125---
OSqualcommsm4125_firmware---
HWqualcommsm6250---
OSqualcommsm6250_firmware---
HWqualcommsm6250p---
OSqualcommsm6250p_firmware---
HWqualcommsm7250p---
OSqualcommsm7250p_firmware---
HWqualcommsm7315---
OSqualcommsm7315_firmware---
HWqualcommsm7325p---
OSqualcommsm7325p_firmware---
HWqualcommwcd9326---
OSqualcommwcd9326_firmware---
HWqualcommwcd9335---
OSqualcommwcd9335_firmware---
HWqualcommwcd9340---
OSqualcommwcd9340_firmware---
HWqualcommwcd9341---
OSqualcommwcd9341_firmware---
HWqualcommwcd9370---
OSqualcommwcd9370_firmware---
HWqualcommwcd9371---
OSqualcommwcd9371_firmware---
HWqualcommwcd9375---
OSqualcommwcd9375_firmware---
HWqualcommwcd9380---
OSqualcommwcd9380_firmware---
HWqualcommwcd9385---
OSqualcommwcd9385_firmware---
HWqualcommwcn3910---
OSqualcommwcn3910_firmware---
HWqualcommwcn3950---
OSqualcommwcn3950_firmware---
HWqualcommwcn3980---
OSqualcommwcn3980_firmware---
HWqualcommwcn3988---
OSqualcommwcn3988_firmware---
HWqualcommwcn3990---
OSqualcommwcn3990_firmware---
HWqualcommwcn3991---
OSqualcommwcn3991_firmware---
HWqualcommwcn3998---
OSqualcommwcn3998_firmware---
HWqualcommwcn3999---
OSqualcommwcn3999_firmware---
HWqualcommwcn6740---
OSqualcommwcn6740_firmware---
HWqualcommwcn6750---
OSqualcommwcn6750_firmware---
HWqualcommwcn6850---
OSqualcommwcn6850_firmware---
HWqualcommwcn6851---
OSqualcommwcn6851_firmware---
HWqualcommwcn6856---
OSqualcommwcn6856_firmware---
HWqualcommwsa8810---
OSqualcommwsa8810_firmware---
HWqualcommwsa8815---
OSqualcommwsa8815_firmware---
HWqualcommwsa8830---
OSqualcommwsa8830_firmware---
HWqualcommwsa8835---
OSqualcommwsa8835_firmware---

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